Home / 127,982.25-176,593.64-74,254.95

Finding the Fourth Proportional to 127,982.25, 176,593.64 and 74,254.95

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Solution

The fourth proportional to 127,982.25, 176,593.64 and 74,254.95 is: 102,459.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,982.25 : 176,593.64 = 74,254.95 : x
  2. Step 2: Convert to fraction form
    127,982.25/176,593.64 = 74,254.95/x
  3. Step 3: Cross multiply
    127,982.25x = 176,593.64 × 74,254.95
  4. Step 4: Simplify right side
    127,982.25x = 13,112,951,537.24
  5. Step 5: Solve for x
    x = 13,112,951,537.24/127,982.25
  6. Step 6: Final answer
    x = 102,459.14

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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.