Home / 203,861.18-281,332.20-113,225.54

Finding the Fourth Proportional to 203,861.18, 281,332.20 and 113,225.54

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Solution

The fourth proportional to 203,861.18, 281,332.20 and 113,225.54 is: 156,253.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,861.18 : 281,332.20 = 113,225.54 : x
  2. Step 2: Convert to fraction form
    203,861.18/281,332.20 = 113,225.54/x
  3. Step 3: Cross multiply
    203,861.18x = 281,332.20 × 113,225.54
  4. Step 4: Simplify right side
    203,861.18x = 31,853,990,264.39
  5. Step 5: Solve for x
    x = 31,853,990,264.39/203,861.18
  6. Step 6: Final answer
    x = 156,253.34

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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.