Home / 203,974.92-281,406.78-150,387.12

Finding the Fourth Proportional to 203,974.92, 281,406.78 and 150,387.12

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Solution

The fourth proportional to 203,974.92, 281,406.78 and 150,387.12 is: 207,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,974.92 : 281,406.78 = 150,387.12 : x
  2. Step 2: Convert to fraction form
    203,974.92/281,406.78 = 150,387.12/x
  3. Step 3: Cross multiply
    203,974.92x = 281,406.78 × 150,387.12
  4. Step 4: Simplify right side
    203,974.92x = 42,319,955,192.67
  5. Step 5: Solve for x
    x = 42,319,955,192.67/203,974.92
  6. Step 6: Final answer
    x = 207,476.27

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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.