Home / 145,838.76-201,235.58-82,175.18

Finding the Fourth Proportional to 145,838.76, 201,235.58 and 82,175.18

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Solution

The fourth proportional to 145,838.76, 201,235.58 and 82,175.18 is: 113,389.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,838.76 : 201,235.58 = 82,175.18 : x
  2. Step 2: Convert to fraction form
    145,838.76/201,235.58 = 82,175.18/x
  3. Step 3: Cross multiply
    145,838.76x = 201,235.58 × 82,175.18
  4. Step 4: Simplify right side
    145,838.76x = 16,536,570,008.90
  5. Step 5: Solve for x
    x = 16,536,570,008.90/145,838.76
  6. Step 6: Final answer
    x = 113,389.40

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Half scale
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Double scale
Find fourth proportional to 145,839.76, 201,236.96 and 82,176.18
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.