Home / 343,844.55-515,766.83-144,098.55

Finding the Fourth Proportional to 343,844.55, 515,766.83 and 144,098.55

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Solution

The fourth proportional to 343,844.55, 515,766.83 and 144,098.55 is: 216,147.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,844.55 : 515,766.83 = 144,098.55 : x
  2. Step 2: Convert to fraction form
    343,844.55/515,766.83 = 144,098.55/x
  3. Step 3: Cross multiply
    343,844.55x = 515,766.83 × 144,098.55
  4. Step 4: Simplify right side
    343,844.55x = 74,321,251,620.60
  5. Step 5: Solve for x
    x = 74,321,251,620.60/343,844.55
  6. Step 6: Final answer
    x = 216,147.83

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1.5x scale

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.