Home / 283,567.35-391,060-206,965.18

Finding the Fourth Proportional to 283,567.35, 391,060 and 206,965.18

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Solution

The fourth proportional to 283,567.35, 391,060 and 206,965.18 is: 285,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,567.35 : 391,060 = 206,965.18 : x
  2. Step 2: Convert to fraction form
    283,567.35/391,060 = 206,965.18/x
  3. Step 3: Cross multiply
    283,567.35x = 391,060 × 206,965.18
  4. Step 4: Simplify right side
    283,567.35x = 80,935,803,290.80
  5. Step 5: Solve for x
    x = 80,935,803,290.80/283,567.35
  6. Step 6: Final answer
    x = 285,420.04

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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.