Home / 132,241.38-198,289.17-68,903.43

Finding the Fourth Proportional to 132,241.38, 198,289.17 and 68,903.43

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Solution

The fourth proportional to 132,241.38, 198,289.17 and 68,903.43 is: 103,317.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,241.38 : 198,289.17 = 68,903.43 : x
  2. Step 2: Convert to fraction form
    132,241.38/198,289.17 = 68,903.43/x
  3. Step 3: Cross multiply
    132,241.38x = 198,289.17 × 68,903.43
  4. Step 4: Simplify right side
    132,241.38x = 13,662,803,944.85
  5. Step 5: Solve for x
    x = 13,662,803,944.85/132,241.38
  6. Step 6: Final answer
    x = 103,317.16

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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.