Home / 111,839.52-167,562.40-99,636.08

Finding the Fourth Proportional to 111,839.52, 167,562.40 and 99,636.08

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Solution

The fourth proportional to 111,839.52, 167,562.40 and 99,636.08 is: 149,278.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,839.52 : 167,562.40 = 99,636.08 : x
  2. Step 2: Convert to fraction form
    111,839.52/167,562.40 = 99,636.08/x
  3. Step 3: Cross multiply
    111,839.52x = 167,562.40 × 99,636.08
  4. Step 4: Simplify right side
    111,839.52x = 16,695,260,691.39
  5. Step 5: Solve for x
    x = 16,695,260,691.39/111,839.52
  6. Step 6: Final answer
    x = 149,278.72

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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.