Home / 111,375.10-167,062.65-97,815.70

Finding the Fourth Proportional to 111,375.10, 167,062.65 and 97,815.70

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Solution

The fourth proportional to 111,375.10, 167,062.65 and 97,815.70 is: 146,723.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,375.10 : 167,062.65 = 97,815.70 : x
  2. Step 2: Convert to fraction form
    111,375.10/167,062.65 = 97,815.70/x
  3. Step 3: Cross multiply
    111,375.10x = 167,062.65 × 97,815.70
  4. Step 4: Simplify right side
    111,375.10x = 16,341,350,053.61
  5. Step 5: Solve for x
    x = 16,341,350,053.61/111,375.10
  6. Step 6: Final answer
    x = 146,723.55

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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.