Home / 127,734.87-176,265.62-74,010.31

Finding the Fourth Proportional to 127,734.87, 176,265.62 and 74,010.31

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Solution

The fourth proportional to 127,734.87, 176,265.62 and 74,010.31 is: 102,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,734.87 : 176,265.62 = 74,010.31 : x
  2. Step 2: Convert to fraction form
    127,734.87/176,265.62 = 74,010.31/x
  3. Step 3: Cross multiply
    127,734.87x = 176,265.62 × 74,010.31
  4. Step 4: Simplify right side
    127,734.87x = 13,045,472,645.37
  5. Step 5: Solve for x
    x = 13,045,472,645.37/127,734.87
  6. Step 6: Final answer
    x = 102,129.30

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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.