Home / 140,913.27-194,459.13-77,250.92

Finding the Fourth Proportional to 140,913.27, 194,459.13 and 77,250.92

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Solution

The fourth proportional to 140,913.27, 194,459.13 and 77,250.92 is: 106,605.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,913.27 : 194,459.13 = 77,250.92 : x
  2. Step 2: Convert to fraction form
    140,913.27/194,459.13 = 77,250.92/x
  3. Step 3: Cross multiply
    140,913.27x = 194,459.13 × 77,250.92
  4. Step 4: Simplify right side
    140,913.27x = 15,022,145,722.60
  5. Step 5: Solve for x
    x = 15,022,145,722.60/140,913.27
  6. Step 6: Final answer
    x = 106,605.61

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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.