Home / 189,540.20-261,560.44-104,655.44

Finding the Fourth Proportional to 189,540.20, 261,560.44 and 104,655.44

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Solution

The fourth proportional to 189,540.20, 261,560.44 and 104,655.44 is: 144,421.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,540.20 : 261,560.44 = 104,655.44 : x
  2. Step 2: Convert to fraction form
    189,540.20/261,560.44 = 104,655.44/x
  3. Step 3: Cross multiply
    189,540.20x = 261,560.44 × 104,655.44
  4. Step 4: Simplify right side
    189,540.20x = 27,373,722,934.79
  5. Step 5: Solve for x
    x = 27,373,722,934.79/189,540.20
  6. Step 6: Final answer
    x = 144,421.73

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1.5x scale

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.