Home / 283,476.37-391,198.45-156,151.66

Finding the Fourth Proportional to 283,476.37, 391,198.45 and 156,151.66

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Solution

The fourth proportional to 283,476.37, 391,198.45 and 156,151.66 is: 215,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,476.37 : 391,198.45 = 156,151.66 : x
  2. Step 2: Convert to fraction form
    283,476.37/391,198.45 = 156,151.66/x
  3. Step 3: Cross multiply
    283,476.37x = 391,198.45 × 156,151.66
  4. Step 4: Simplify right side
    283,476.37x = 61,086,287,356.93
  5. Step 5: Solve for x
    x = 61,086,287,356.93/283,476.37
  6. Step 6: Final answer
    x = 215,489.87

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1.5x scale

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.