Home / 111,375.20-167,030.40-61,479.20

Finding the Fourth Proportional to 111,375.20, 167,030.40 and 61,479.20

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Solution

The fourth proportional to 111,375.20, 167,030.40 and 61,479.20 is: 92,200.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,375.20 : 167,030.40 = 61,479.20 : x
  2. Step 2: Convert to fraction form
    111,375.20/167,030.40 = 61,479.20/x
  3. Step 3: Cross multiply
    111,375.20x = 167,030.40 × 61,479.20
  4. Step 4: Simplify right side
    111,375.20x = 10,268,895,367.68
  5. Step 5: Solve for x
    x = 10,268,895,367.68/111,375.20
  6. Step 6: Final answer
    x = 92,200.92

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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.