Home / 283,585.72-391,375.88-211,841.19

Finding the Fourth Proportional to 283,585.72, 391,375.88 and 211,841.19

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Solution

The fourth proportional to 283,585.72, 391,375.88 and 211,841.19 is: 292,361.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,585.72 : 391,375.88 = 211,841.19 : x
  2. Step 2: Convert to fraction form
    283,585.72/391,375.88 = 211,841.19/x
  3. Step 3: Cross multiply
    283,585.72x = 391,375.88 × 211,841.19
  4. Step 4: Simplify right side
    283,585.72x = 82,909,532,156.50
  5. Step 5: Solve for x
    x = 82,909,532,156.50/283,585.72
  6. Step 6: Final answer
    x = 292,361.45

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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.