Home / 102,512.17-141,341.11-84,299.24

Finding the Fourth Proportional to 102,512.17, 141,341.11 and 84,299.24

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Solution

The fourth proportional to 102,512.17, 141,341.11 and 84,299.24 is: 116,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,512.17 : 141,341.11 = 84,299.24 : x
  2. Step 2: Convert to fraction form
    102,512.17/141,341.11 = 84,299.24/x
  3. Step 3: Cross multiply
    102,512.17x = 141,341.11 × 84,299.24
  4. Step 4: Simplify right side
    102,512.17x = 11,914,948,789.16
  5. Step 5: Solve for x
    x = 11,914,948,789.16/102,512.17
  6. Step 6: Final answer
    x = 116,229.60

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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.