Home / 203,916.76-281,395.62-113,278.60

Finding the Fourth Proportional to 203,916.76, 281,395.62 and 113,278.60

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Solution

The fourth proportional to 203,916.76, 281,395.62 and 113,278.60 is: 156,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,916.76 : 281,395.62 = 113,278.60 : x
  2. Step 2: Convert to fraction form
    203,916.76/281,395.62 = 113,278.60/x
  3. Step 3: Cross multiply
    203,916.76x = 281,395.62 × 113,278.60
  4. Step 4: Simplify right side
    203,916.76x = 31,876,101,879.73
  5. Step 5: Solve for x
    x = 31,876,101,879.73/203,916.76
  6. Step 6: Final answer
    x = 156,319.19

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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.