Home / 231,247.01-319,172.31-140,583.75

Finding the Fourth Proportional to 231,247.01, 319,172.31 and 140,583.75

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Solution

The fourth proportional to 231,247.01, 319,172.31 and 140,583.75 is: 194,036.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,247.01 : 319,172.31 = 140,583.75 : x
  2. Step 2: Convert to fraction form
    231,247.01/319,172.31 = 140,583.75/x
  3. Step 3: Cross multiply
    231,247.01x = 319,172.31 × 140,583.75
  4. Step 4: Simplify right side
    231,247.01x = 44,870,440,235.96
  5. Step 5: Solve for x
    x = 44,870,440,235.96/231,247.01
  6. Step 6: Final answer
    x = 194,036.85

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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.