Home / 185,836.20-278,764.86-52,705.92

Finding the Fourth Proportional to 185,836.20, 278,764.86 and 52,705.92

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Solution

The fourth proportional to 185,836.20, 278,764.86 and 52,705.92 is: 79,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,836.20 : 278,764.86 = 52,705.92 : x
  2. Step 2: Convert to fraction form
    185,836.20/278,764.86 = 52,705.92/x
  3. Step 3: Cross multiply
    185,836.20x = 278,764.86 × 52,705.92
  4. Step 4: Simplify right side
    185,836.20x = 14,692,558,409.97
  5. Step 5: Solve for x
    x = 14,692,558,409.97/185,836.20
  6. Step 6: Final answer
    x = 79,061.87

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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.