Home / 203,725.61-281,140.85-113,082.66

Finding the Fourth Proportional to 203,725.61, 281,140.85 and 113,082.66

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Solution

The fourth proportional to 203,725.61, 281,140.85 and 113,082.66 is: 156,053.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,725.61 : 281,140.85 = 113,082.66 : x
  2. Step 2: Convert to fraction form
    203,725.61/281,140.85 = 113,082.66/x
  3. Step 3: Cross multiply
    203,725.61x = 281,140.85 × 113,082.66
  4. Step 4: Simplify right side
    203,725.61x = 31,792,155,435.37
  5. Step 5: Solve for x
    x = 31,792,155,435.37/203,725.61
  6. Step 6: Final answer
    x = 156,053.80

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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.