Home / 185,900.76-278,850.48-52,781.04

Finding the Fourth Proportional to 185,900.76, 278,850.48 and 52,781.04

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Solution

The fourth proportional to 185,900.76, 278,850.48 and 52,781.04 is: 79,171.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,900.76 : 278,850.48 = 52,781.04 : x
  2. Step 2: Convert to fraction form
    185,900.76/278,850.48 = 52,781.04/x
  3. Step 3: Cross multiply
    185,900.76x = 278,850.48 × 52,781.04
  4. Step 4: Simplify right side
    185,900.76x = 14,718,018,338.90
  5. Step 5: Solve for x
    x = 14,718,018,338.90/185,900.76
  6. Step 6: Final answer
    x = 79,171.37

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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.