Home / 121,498.52-182,260.76-51,384.92

Finding the Fourth Proportional to 121,498.52, 182,260.76 and 51,384.92

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Solution

The fourth proportional to 121,498.52, 182,260.76 and 51,384.92 is: 77,082.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,498.52 : 182,260.76 = 51,384.92 : x
  2. Step 2: Convert to fraction form
    121,498.52/182,260.76 = 51,384.92/x
  3. Step 3: Cross multiply
    121,498.52x = 182,260.76 × 51,384.92
  4. Step 4: Simplify right side
    121,498.52x = 9,365,454,571.74
  5. Step 5: Solve for x
    x = 9,365,454,571.74/121,498.52
  6. Step 6: Final answer
    x = 77,082.87

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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.