Home / 127,265.18-175,627.40-69,905.86

Finding the Fourth Proportional to 127,265.18, 175,627.40 and 69,905.86

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Solution

The fourth proportional to 127,265.18, 175,627.40 and 69,905.86 is: 96,470.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,265.18 : 175,627.40 = 69,905.86 : x
  2. Step 2: Convert to fraction form
    127,265.18/175,627.40 = 69,905.86/x
  3. Step 3: Cross multiply
    127,265.18x = 175,627.40 × 69,905.86
  4. Step 4: Simplify right side
    127,265.18x = 12,277,384,436.56
  5. Step 5: Solve for x
    x = 12,277,384,436.56/127,265.18
  6. Step 6: Final answer
    x = 96,470.88

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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.