Home / 203,929.92-281,414.10-113,292.16

Finding the Fourth Proportional to 203,929.92, 281,414.10 and 113,292.16

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Solution

The fourth proportional to 203,929.92, 281,414.10 and 113,292.16 is: 156,338.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,929.92 : 281,414.10 = 113,292.16 : x
  2. Step 2: Convert to fraction form
    203,929.92/281,414.10 = 113,292.16/x
  3. Step 3: Cross multiply
    203,929.92x = 281,414.10 × 113,292.16
  4. Step 4: Simplify right side
    203,929.92x = 31,882,011,243.46
  5. Step 5: Solve for x
    x = 31,882,011,243.46/203,929.92
  6. Step 6: Final answer
    x = 156,338.08

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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.