Home / 167,864.32-251,679.84-74,319.04

Finding the Fourth Proportional to 167,864.32, 251,679.84 and 74,319.04

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Solution

The fourth proportional to 167,864.32, 251,679.84 and 74,319.04 is: 111,426.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,864.32 : 251,679.84 = 74,319.04 : x
  2. Step 2: Convert to fraction form
    167,864.32/251,679.84 = 74,319.04/x
  3. Step 3: Cross multiply
    167,864.32x = 251,679.84 × 74,319.04
  4. Step 4: Simplify right side
    167,864.32x = 18,704,604,096.15
  5. Step 5: Solve for x
    x = 18,704,604,096.15/167,864.32
  6. Step 6: Final answer
    x = 111,426.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.