Home / 127,584.28-191,417.40-38,854.96

Finding the Fourth Proportional to 127,584.28, 191,417.40 and 38,854.96

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Solution

The fourth proportional to 127,584.28, 191,417.40 and 38,854.96 is: 58,294.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,584.28 : 191,417.40 = 38,854.96 : x
  2. Step 2: Convert to fraction form
    127,584.28/191,417.40 = 38,854.96/x
  3. Step 3: Cross multiply
    127,584.28x = 191,417.40 × 38,854.96
  4. Step 4: Simplify right side
    127,584.28x = 7,437,515,420.30
  5. Step 5: Solve for x
    x = 7,437,515,420.30/127,584.28
  6. Step 6: Final answer
    x = 58,294.92

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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.