Home / 283,872.81-391,731.29-162,928.97

Finding the Fourth Proportional to 283,872.81, 391,731.29 and 162,928.97

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Solution

The fourth proportional to 283,872.81, 391,731.29 and 162,928.97 is: 224,834.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,872.81 : 391,731.29 = 162,928.97 : x
  2. Step 2: Convert to fraction form
    283,872.81/391,731.29 = 162,928.97/x
  3. Step 3: Cross multiply
    283,872.81x = 391,731.29 × 162,928.97
  4. Step 4: Simplify right side
    283,872.81x = 63,824,375,596.47
  5. Step 5: Solve for x
    x = 63,824,375,596.47/283,872.81
  6. Step 6: Final answer
    x = 224,834.41

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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.