Home / 179,370.72-268,930.80-79,476.66

Finding the Fourth Proportional to 179,370.72, 268,930.80 and 79,476.66

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Solution

The fourth proportional to 179,370.72, 268,930.80 and 79,476.66 is: 119,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,370.72 : 268,930.80 = 79,476.66 : x
  2. Step 2: Convert to fraction form
    179,370.72/268,930.80 = 79,476.66/x
  3. Step 3: Cross multiply
    179,370.72x = 268,930.80 × 79,476.66
  4. Step 4: Simplify right side
    179,370.72x = 21,373,721,755.13
  5. Step 5: Solve for x
    x = 21,373,721,755.13/179,370.72
  6. Step 6: Final answer
    x = 119,159.48

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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.