Home / 207,255.20-310,908.24-74,149.52

Finding the Fourth Proportional to 207,255.20, 310,908.24 and 74,149.52

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Solution

The fourth proportional to 207,255.20, 310,908.24 and 74,149.52 is: 111,233.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,255.20 : 310,908.24 = 74,149.52 : x
  2. Step 2: Convert to fraction form
    207,255.20/310,908.24 = 74,149.52/x
  3. Step 3: Cross multiply
    207,255.20x = 310,908.24 × 74,149.52
  4. Step 4: Simplify right side
    207,255.20x = 23,053,696,760.04
  5. Step 5: Solve for x
    x = 23,053,696,760.04/207,255.20
  6. Step 6: Final answer
    x = 111,233.38

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1.5x scale

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.