Home / 283,551.73-391,301.40-156,226.21

Finding the Fourth Proportional to 283,551.73, 391,301.40 and 156,226.21

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Solution

The fourth proportional to 283,551.73, 391,301.40 and 156,226.21 is: 215,592.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,551.73 : 391,301.40 = 156,226.21 : x
  2. Step 2: Convert to fraction form
    283,551.73/391,301.40 = 156,226.21/x
  3. Step 3: Cross multiply
    283,551.73x = 391,301.40 × 156,226.21
  4. Step 4: Simplify right side
    283,551.73x = 61,131,534,689.69
  5. Step 5: Solve for x
    x = 61,131,534,689.69/283,551.73
  6. Step 6: Final answer
    x = 215,592.18

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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.