Home / 129,184.45-193,764.15-39,227.95

Finding the Fourth Proportional to 129,184.45, 193,764.15 and 39,227.95

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Solution

The fourth proportional to 129,184.45, 193,764.15 and 39,227.95 is: 58,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,184.45 : 193,764.15 = 39,227.95 : x
  2. Step 2: Convert to fraction form
    129,184.45/193,764.15 = 39,227.95/x
  3. Step 3: Cross multiply
    129,184.45x = 193,764.15 × 39,227.95
  4. Step 4: Simplify right side
    129,184.45x = 7,600,969,579.06
  5. Step 5: Solve for x
    x = 7,600,969,579.06/129,184.45
  6. Step 6: Final answer
    x = 58,838.11

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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.