Home / 283,449.76-391,144.08-162,610.72

Finding the Fourth Proportional to 283,449.76, 391,144.08 and 162,610.72

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Solution

The fourth proportional to 283,449.76, 391,144.08 and 162,610.72 is: 224,393.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,449.76 : 391,144.08 = 162,610.72 : x
  2. Step 2: Convert to fraction form
    283,449.76/391,144.08 = 162,610.72/x
  3. Step 3: Cross multiply
    283,449.76x = 391,144.08 × 162,610.72
  4. Step 4: Simplify right side
    283,449.76x = 63,604,220,472.54
  5. Step 5: Solve for x
    x = 63,604,220,472.54/283,449.76
  6. Step 6: Final answer
    x = 224,393.28

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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.