Home / 127,741.59-176,281.11-71,151.75

Finding the Fourth Proportional to 127,741.59, 176,281.11 and 71,151.75

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Solution

The fourth proportional to 127,741.59, 176,281.11 and 71,151.75 is: 98,188.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,741.59 : 176,281.11 = 71,151.75 : x
  2. Step 2: Convert to fraction form
    127,741.59/176,281.11 = 71,151.75/x
  3. Step 3: Cross multiply
    127,741.59x = 176,281.11 × 71,151.75
  4. Step 4: Simplify right side
    127,741.59x = 12,542,709,468.44
  5. Step 5: Solve for x
    x = 12,542,709,468.44/127,741.59
  6. Step 6: Final answer
    x = 98,188.14

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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.