Home / 203,724.01-281,109.17-113,080.65

Finding the Fourth Proportional to 203,724.01, 281,109.17 and 113,080.65

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Solution

The fourth proportional to 203,724.01, 281,109.17 and 113,080.65 is: 156,034.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,724.01 : 281,109.17 = 113,080.65 : x
  2. Step 2: Convert to fraction form
    203,724.01/281,109.17 = 113,080.65/x
  3. Step 3: Cross multiply
    203,724.01x = 281,109.17 × 113,080.65
  4. Step 4: Simplify right side
    203,724.01x = 31,788,007,099.16
  5. Step 5: Solve for x
    x = 31,788,007,099.16/203,724.01
  6. Step 6: Final answer
    x = 156,034.67

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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.