Home / 156,542.84-234,712.16-103,073.04

Finding the Fourth Proportional to 156,542.84, 234,712.16 and 103,073.04

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Solution

The fourth proportional to 156,542.84, 234,712.16 and 103,073.04 is: 154,542.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,542.84 : 234,712.16 = 103,073.04 : x
  2. Step 2: Convert to fraction form
    156,542.84/234,712.16 = 103,073.04/x
  3. Step 3: Cross multiply
    156,542.84x = 234,712.16 × 103,073.04
  4. Step 4: Simplify right side
    156,542.84x = 24,192,495,856.17
  5. Step 5: Solve for x
    x = 24,192,495,856.17/156,542.84
  6. Step 6: Final answer
    x = 154,542.33

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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.