Home / 179,229.82-268,678.57-79,336.78

Finding the Fourth Proportional to 179,229.82, 268,678.57 and 79,336.78

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Solution

The fourth proportional to 179,229.82, 268,678.57 and 79,336.78 is: 118,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,229.82 : 268,678.57 = 79,336.78 : x
  2. Step 2: Convert to fraction form
    179,229.82/268,678.57 = 79,336.78/x
  3. Step 3: Cross multiply
    179,229.82x = 268,678.57 × 79,336.78
  4. Step 4: Simplify right side
    179,229.82x = 21,316,092,598.80
  5. Step 5: Solve for x
    x = 21,316,092,598.80/179,229.82
  6. Step 6: Final answer
    x = 118,931.62

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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.