Home / 204,424.20-282,104.98-115,000.20

Finding the Fourth Proportional to 204,424.20, 282,104.98 and 115,000.20

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Solution

The fourth proportional to 204,424.20, 282,104.98 and 115,000.20 is: 158,700.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,424.20 : 282,104.98 = 115,000.20 : x
  2. Step 2: Convert to fraction form
    204,424.20/282,104.98 = 115,000.20/x
  3. Step 3: Cross multiply
    204,424.20x = 282,104.98 × 115,000.20
  4. Step 4: Simplify right side
    204,424.20x = 32,442,129,121.00
  5. Step 5: Solve for x
    x = 32,442,129,121.00/204,424.20
  6. Step 6: Final answer
    x = 158,700.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.