Home / 218,372.24-301,359.56-122,882.32

Finding the Fourth Proportional to 218,372.24, 301,359.56 and 122,882.32

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Solution

The fourth proportional to 218,372.24, 301,359.56 and 122,882.32 is: 169,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,372.24 : 301,359.56 = 122,882.32 : x
  2. Step 2: Convert to fraction form
    218,372.24/301,359.56 = 122,882.32/x
  3. Step 3: Cross multiply
    218,372.24x = 301,359.56 × 122,882.32
  4. Step 4: Simplify right side
    218,372.24x = 37,031,761,886.98
  5. Step 5: Solve for x
    x = 37,031,761,886.98/218,372.24
  6. Step 6: Final answer
    x = 169,580.90

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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.