Home / 127,725.24-176,432.94-115,802.04

Finding the Fourth Proportional to 127,725.24, 176,432.94 and 115,802.04

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Solution

The fourth proportional to 127,725.24, 176,432.94 and 115,802.04 is: 159,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,725.24 : 176,432.94 = 115,802.04 : x
  2. Step 2: Convert to fraction form
    127,725.24/176,432.94 = 115,802.04/x
  3. Step 3: Cross multiply
    127,725.24x = 176,432.94 × 115,802.04
  4. Step 4: Simplify right side
    127,725.24x = 20,431,294,375.20
  5. Step 5: Solve for x
    x = 20,431,294,375.20/127,725.24
  6. Step 6: Final answer
    x = 159,962.86

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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.