Home / 135,637.20-203,315.40-60,793.20

Finding the Fourth Proportional to 135,637.20, 203,315.40 and 60,793.20

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Solution

The fourth proportional to 135,637.20, 203,315.40 and 60,793.20 is: 91,126.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,637.20 : 203,315.40 = 60,793.20 : x
  2. Step 2: Convert to fraction form
    135,637.20/203,315.40 = 60,793.20/x
  3. Step 3: Cross multiply
    135,637.20x = 203,315.40 × 60,793.20
  4. Step 4: Simplify right side
    135,637.20x = 12,360,193,775.28
  5. Step 5: Solve for x
    x = 12,360,193,775.28/135,637.20
  6. Step 6: Final answer
    x = 91,126.87

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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.