Home / 343,357.20-515,114.10-106,723.80

Finding the Fourth Proportional to 343,357.20, 515,114.10 and 106,723.80

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Solution

The fourth proportional to 343,357.20, 515,114.10 and 106,723.80 is: 160,110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,357.20 : 515,114.10 = 106,723.80 : x
  2. Step 2: Convert to fraction form
    343,357.20/515,114.10 = 106,723.80/x
  3. Step 3: Cross multiply
    343,357.20x = 515,114.10 × 106,723.80
  4. Step 4: Simplify right side
    343,357.20x = 54,974,934,185.58
  5. Step 5: Solve for x
    x = 54,974,934,185.58/343,357.20
  6. Step 6: Final answer
    x = 160,110.04

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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.