Home / 283,757.22-391,587.99-156,437.37

Finding the Fourth Proportional to 283,757.22, 391,587.99 and 156,437.37

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Solution

The fourth proportional to 283,757.22, 391,587.99 and 156,437.37 is: 215,885.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,757.22 : 391,587.99 = 156,437.37 : x
  2. Step 2: Convert to fraction form
    283,757.22/391,587.99 = 156,437.37/x
  3. Step 3: Cross multiply
    283,757.22x = 391,587.99 × 156,437.37
  4. Step 4: Simplify right side
    283,757.22x = 61,258,993,321.25
  5. Step 5: Solve for x
    x = 61,258,993,321.25/283,757.22
  6. Step 6: Final answer
    x = 215,885.24

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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.