Home / 172,437.47-237,961.40-96,985.97

Finding the Fourth Proportional to 172,437.47, 237,961.40 and 96,985.97

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Solution

The fourth proportional to 172,437.47, 237,961.40 and 96,985.97 is: 133,839.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,437.47 : 237,961.40 = 96,985.97 : x
  2. Step 2: Convert to fraction form
    172,437.47/237,961.40 = 96,985.97/x
  3. Step 3: Cross multiply
    172,437.47x = 237,961.40 × 96,985.97
  4. Step 4: Simplify right side
    172,437.47x = 23,078,915,526.82
  5. Step 5: Solve for x
    x = 23,078,915,526.82/172,437.47
  6. Step 6: Final answer
    x = 133,839.33

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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.