Home / 96,332.20-144,498.30-80,780.20

Finding the Fourth Proportional to 96,332.20, 144,498.30 and 80,780.20

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Solution

The fourth proportional to 96,332.20, 144,498.30 and 80,780.20 is: 121,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,332.20 : 144,498.30 = 80,780.20 : x
  2. Step 2: Convert to fraction form
    96,332.20/144,498.30 = 80,780.20/x
  3. Step 3: Cross multiply
    96,332.20x = 144,498.30 × 80,780.20
  4. Step 4: Simplify right side
    96,332.20x = 11,672,601,573.66
  5. Step 5: Solve for x
    x = 11,672,601,573.66/96,332.20
  6. Step 6: Final answer
    x = 121,170.30

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1.5x scale

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.