Home / 203,728.95-281,115.96-113,085.60

Finding the Fourth Proportional to 203,728.95, 281,115.96 and 113,085.60

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Solution

The fourth proportional to 203,728.95, 281,115.96 and 113,085.60 is: 156,041.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,728.95 : 281,115.96 = 113,085.60 : x
  2. Step 2: Convert to fraction form
    203,728.95/281,115.96 = 113,085.60/x
  3. Step 3: Cross multiply
    203,728.95x = 281,115.96 × 113,085.60
  4. Step 4: Simplify right side
    203,728.95x = 31,790,167,006.18
  5. Step 5: Solve for x
    x = 31,790,167,006.18/203,728.95
  6. Step 6: Final answer
    x = 156,041.48

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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.