Home / 185,722.20-278,584.90-52,605.40

Finding the Fourth Proportional to 185,722.20, 278,584.90 and 52,605.40

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Solution

The fourth proportional to 185,722.20, 278,584.90 and 52,605.40 is: 78,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,722.20 : 278,584.90 = 52,605.40 : x
  2. Step 2: Convert to fraction form
    185,722.20/278,584.90 = 52,605.40/x
  3. Step 3: Cross multiply
    185,722.20x = 278,584.90 × 52,605.40
  4. Step 4: Simplify right side
    185,722.20x = 14,655,070,098.46
  5. Step 5: Solve for x
    x = 14,655,070,098.46/185,722.20
  6. Step 6: Final answer
    x = 78,908.55

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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.