Home / 260,684.06-391,043.84-83,204.43

Finding the Fourth Proportional to 260,684.06, 391,043.84 and 83,204.43

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Solution

The fourth proportional to 260,684.06, 391,043.84 and 83,204.43 is: 124,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,684.06 : 391,043.84 = 83,204.43 : x
  2. Step 2: Convert to fraction form
    260,684.06/391,043.84 = 83,204.43/x
  3. Step 3: Cross multiply
    260,684.06x = 391,043.84 × 83,204.43
  4. Step 4: Simplify right side
    260,684.06x = 32,536,579,396.19
  5. Step 5: Solve for x
    x = 32,536,579,396.19/260,684.06
  6. Step 6: Final answer
    x = 124,812.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.