Home / 99,174.30-136,913.91-76,463.46

Finding the Fourth Proportional to 99,174.30, 136,913.91 and 76,463.46

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Solution

The fourth proportional to 99,174.30, 136,913.91 and 76,463.46 is: 105,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,174.30 : 136,913.91 = 76,463.46 : x
  2. Step 2: Convert to fraction form
    99,174.30/136,913.91 = 76,463.46/x
  3. Step 3: Cross multiply
    99,174.30x = 136,913.91 × 76,463.46
  4. Step 4: Simplify right side
    99,174.30x = 10,468,911,280.73
  5. Step 5: Solve for x
    x = 10,468,911,280.73/99,174.30
  6. Step 6: Final answer
    x = 105,560.73

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1.5x scale

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.