Home / 203,954.01-281,456.28-113,318.34

Finding the Fourth Proportional to 203,954.01, 281,456.28 and 113,318.34

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Solution

The fourth proportional to 203,954.01, 281,456.28 and 113,318.34 is: 156,379.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,954.01 : 281,456.28 = 113,318.34 : x
  2. Step 2: Convert to fraction form
    203,954.01/281,456.28 = 113,318.34/x
  3. Step 3: Cross multiply
    203,954.01x = 281,456.28 × 113,318.34
  4. Step 4: Simplify right side
    203,954.01x = 31,894,158,432.18
  5. Step 5: Solve for x
    x = 31,894,158,432.18/203,954.01
  6. Step 6: Final answer
    x = 156,379.17

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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.