Home / 145,937.16-201,390.60-82,275.03

Finding the Fourth Proportional to 145,937.16, 201,390.60 and 82,275.03

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Solution

The fourth proportional to 145,937.16, 201,390.60 and 82,275.03 is: 113,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,937.16 : 201,390.60 = 82,275.03 : x
  2. Step 2: Convert to fraction form
    145,937.16/201,390.60 = 82,275.03/x
  3. Step 3: Cross multiply
    145,937.16x = 201,390.60 × 82,275.03
  4. Step 4: Simplify right side
    145,937.16x = 16,569,417,656.72
  5. Step 5: Solve for x
    x = 16,569,417,656.72/145,937.16
  6. Step 6: Final answer
    x = 113,538.03

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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.