Home / 185,877.14-278,821.17-45,635.75

Finding the Fourth Proportional to 185,877.14, 278,821.17 and 45,635.75

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Solution

The fourth proportional to 185,877.14, 278,821.17 and 45,635.75 is: 68,454.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,877.14 : 278,821.17 = 45,635.75 : x
  2. Step 2: Convert to fraction form
    185,877.14/278,821.17 = 45,635.75/x
  3. Step 3: Cross multiply
    185,877.14x = 278,821.17 × 45,635.75
  4. Step 4: Simplify right side
    185,877.14x = 12,724,213,208.83
  5. Step 5: Solve for x
    x = 12,724,213,208.83/185,877.14
  6. Step 6: Final answer
    x = 68,454.97

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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.