Home / 172,115.28-237,541.32-96,663.78

Finding the Fourth Proportional to 172,115.28, 237,541.32 and 96,663.78

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Solution

The fourth proportional to 172,115.28, 237,541.32 and 96,663.78 is: 133,408.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,115.28 : 237,541.32 = 96,663.78 : x
  2. Step 2: Convert to fraction form
    172,115.28/237,541.32 = 96,663.78/x
  3. Step 3: Cross multiply
    172,115.28x = 237,541.32 × 96,663.78
  4. Step 4: Simplify right side
    172,115.28x = 22,961,641,897.39
  5. Step 5: Solve for x
    x = 22,961,641,897.39/172,115.28
  6. Step 6: Final answer
    x = 133,408.50

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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.