Home / 127,957.29-176,523.93-74,211.18

Finding the Fourth Proportional to 127,957.29, 176,523.93 and 74,211.18

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Solution

The fourth proportional to 127,957.29, 176,523.93 and 74,211.18 is: 102,378.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,957.29 : 176,523.93 = 74,211.18 : x
  2. Step 2: Convert to fraction form
    127,957.29/176,523.93 = 74,211.18/x
  3. Step 3: Cross multiply
    127,957.29x = 176,523.93 × 74,211.18
  4. Step 4: Simplify right side
    127,957.29x = 13,100,049,143.54
  5. Step 5: Solve for x
    x = 13,100,049,143.54/127,957.29
  6. Step 6: Final answer
    x = 102,378.29

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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.