Home / 156,627.47-234,607.59-76,542.17

Finding the Fourth Proportional to 156,627.47, 234,607.59 and 76,542.17

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Solution

The fourth proportional to 156,627.47, 234,607.59 and 76,542.17 is: 114,650.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,627.47 : 234,607.59 = 76,542.17 : x
  2. Step 2: Convert to fraction form
    156,627.47/234,607.59 = 76,542.17/x
  3. Step 3: Cross multiply
    156,627.47x = 234,607.59 × 76,542.17
  4. Step 4: Simplify right side
    156,627.47x = 17,957,372,864.03
  5. Step 5: Solve for x
    x = 17,957,372,864.03/156,627.47
  6. Step 6: Final answer
    x = 114,650.21

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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.