Home / 127,617.20-191,425.86-52,654.96

Finding the Fourth Proportional to 127,617.20, 191,425.86 and 52,654.96

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Solution

The fourth proportional to 127,617.20, 191,425.86 and 52,654.96 is: 78,982.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,617.20 : 191,425.86 = 52,654.96 : x
  2. Step 2: Convert to fraction form
    127,617.20/191,425.86 = 52,654.96/x
  3. Step 3: Cross multiply
    127,617.20x = 191,425.86 × 52,654.96
  4. Step 4: Simplify right side
    127,617.20x = 10,079,521,001.27
  5. Step 5: Solve for x
    x = 10,079,521,001.27/127,617.20
  6. Step 6: Final answer
    x = 78,982.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.