Home / 127,286.50-175,646.92-69,914.66

Finding the Fourth Proportional to 127,286.50, 175,646.92 and 69,914.66

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Solution

The fourth proportional to 127,286.50, 175,646.92 and 69,914.66 is: 96,477.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,286.50 : 175,646.92 = 69,914.66 : x
  2. Step 2: Convert to fraction form
    127,286.50/175,646.92 = 69,914.66/x
  3. Step 3: Cross multiply
    127,286.50x = 175,646.92 × 69,914.66
  4. Step 4: Simplify right side
    127,286.50x = 12,280,294,691.85
  5. Step 5: Solve for x
    x = 12,280,294,691.85/127,286.50
  6. Step 6: Final answer
    x = 96,477.59

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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.