Home / 134,640.70-201,961.05-45,886.30

Finding the Fourth Proportional to 134,640.70, 201,961.05 and 45,886.30

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Solution

The fourth proportional to 134,640.70, 201,961.05 and 45,886.30 is: 68,829.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,640.70 : 201,961.05 = 45,886.30 : x
  2. Step 2: Convert to fraction form
    134,640.70/201,961.05 = 45,886.30/x
  3. Step 3: Cross multiply
    134,640.70x = 201,961.05 × 45,886.30
  4. Step 4: Simplify right side
    134,640.70x = 9,267,245,328.62
  5. Step 5: Solve for x
    x = 9,267,245,328.62/134,640.70
  6. Step 6: Final answer
    x = 68,829.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.