Home / 320,618.55-442,451.66-177,375.53

Finding the Fourth Proportional to 320,618.55, 442,451.66 and 177,375.53

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Solution

The fourth proportional to 320,618.55, 442,451.66 and 177,375.53 is: 244,777.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,618.55 : 442,451.66 = 177,375.53 : x
  2. Step 2: Convert to fraction form
    320,618.55/442,451.66 = 177,375.53/x
  3. Step 3: Cross multiply
    320,618.55x = 442,451.66 × 177,375.53
  4. Step 4: Simplify right side
    320,618.55x = 78,480,094,592.74
  5. Step 5: Solve for x
    x = 78,480,094,592.74/320,618.55
  6. Step 6: Final answer
    x = 244,777.15

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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.