Home / 185,841.45-278,772.75-52,711.20

Finding the Fourth Proportional to 185,841.45, 278,772.75 and 52,711.20

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Solution

The fourth proportional to 185,841.45, 278,772.75 and 52,711.20 is: 79,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,841.45 : 278,772.75 = 52,711.20 : x
  2. Step 2: Convert to fraction form
    185,841.45/278,772.75 = 52,711.20/x
  3. Step 3: Cross multiply
    185,841.45x = 278,772.75 × 52,711.20
  4. Step 4: Simplify right side
    185,841.45x = 14,694,446,179.80
  5. Step 5: Solve for x
    x = 14,694,446,179.80/185,841.45
  6. Step 6: Final answer
    x = 79,069.80

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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.