Home / 283,778.12-391,594.08-159,617.72

Finding the Fourth Proportional to 283,778.12, 391,594.08 and 159,617.72

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Solution

The fourth proportional to 283,778.12, 391,594.08 and 159,617.72 is: 220,261.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,778.12 : 391,594.08 = 159,617.72 : x
  2. Step 2: Convert to fraction form
    283,778.12/391,594.08 = 159,617.72/x
  3. Step 3: Cross multiply
    283,778.12x = 391,594.08 × 159,617.72
  4. Step 4: Simplify right side
    283,778.12x = 62,505,354,215.10
  5. Step 5: Solve for x
    x = 62,505,354,215.10/283,778.12
  6. Step 6: Final answer
    x = 220,261.36

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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.