Home / 121,518.24-182,275.92-51,349.92

Finding the Fourth Proportional to 121,518.24, 182,275.92 and 51,349.92

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Solution

The fourth proportional to 121,518.24, 182,275.92 and 51,349.92 is: 77,024.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,518.24 : 182,275.92 = 51,349.92 : x
  2. Step 2: Convert to fraction form
    121,518.24/182,275.92 = 51,349.92/x
  3. Step 3: Cross multiply
    121,518.24x = 182,275.92 × 51,349.92
  4. Step 4: Simplify right side
    121,518.24x = 9,359,853,909.93
  5. Step 5: Solve for x
    x = 9,359,853,909.93/121,518.24
  6. Step 6: Final answer
    x = 77,024.27

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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.