Home / 218,597.20-301,665.24-123,105.52

Finding the Fourth Proportional to 218,597.20, 301,665.24 and 123,105.52

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Solution

The fourth proportional to 218,597.20, 301,665.24 and 123,105.52 is: 169,886.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,597.20 : 301,665.24 = 123,105.52 : x
  2. Step 2: Convert to fraction form
    218,597.20/301,665.24 = 123,105.52/x
  3. Step 3: Cross multiply
    218,597.20x = 301,665.24 × 123,105.52
  4. Step 4: Simplify right side
    218,597.20x = 37,136,656,236.12
  5. Step 5: Solve for x
    x = 37,136,656,236.12/218,597.20
  6. Step 6: Final answer
    x = 169,886.24

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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.