Home / 218,726.96-301,832.04-123,239.30

Finding the Fourth Proportional to 218,726.96, 301,832.04 and 123,239.30

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Solution

The fourth proportional to 218,726.96, 301,832.04 and 123,239.30 is: 170,063.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,726.96 : 301,832.04 = 123,239.30 : x
  2. Step 2: Convert to fraction form
    218,726.96/301,832.04 = 123,239.30/x
  3. Step 3: Cross multiply
    218,726.96x = 301,832.04 × 123,239.30
  4. Step 4: Simplify right side
    218,726.96x = 37,197,569,327.17
  5. Step 5: Solve for x
    x = 37,197,569,327.17/218,726.96
  6. Step 6: Final answer
    x = 170,063.94

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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.