Home / 134,672.24-185,849-74,245.04

Finding the Fourth Proportional to 134,672.24, 185,849 and 74,245.04

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Solution

The fourth proportional to 134,672.24, 185,849 and 74,245.04 is: 102,458.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,672.24 : 185,849 = 74,245.04 : x
  2. Step 2: Convert to fraction form
    134,672.24/185,849 = 74,245.04/x
  3. Step 3: Cross multiply
    134,672.24x = 185,849 × 74,245.04
  4. Step 4: Simplify right side
    134,672.24x = 13,798,366,438.96
  5. Step 5: Solve for x
    x = 13,798,366,438.96/134,672.24
  6. Step 6: Final answer
    x = 102,458.88

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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.