Home / 127,700.31-176,226.42-74,016.46

Finding the Fourth Proportional to 127,700.31, 176,226.42 and 74,016.46

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Solution

The fourth proportional to 127,700.31, 176,226.42 and 74,016.46 is: 102,142.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,700.31 : 176,226.42 = 74,016.46 : x
  2. Step 2: Convert to fraction form
    127,700.31/176,226.42 = 74,016.46/x
  3. Step 3: Cross multiply
    127,700.31x = 176,226.42 × 74,016.46
  4. Step 4: Simplify right side
    127,700.31x = 13,043,655,766.87
  5. Step 5: Solve for x
    x = 13,043,655,766.87/127,700.31
  6. Step 6: Final answer
    x = 102,142.71

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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.