Home / 96,161.28-144,241.92-71,554.56

Finding the Fourth Proportional to 96,161.28, 144,241.92 and 71,554.56

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Solution

The fourth proportional to 96,161.28, 144,241.92 and 71,554.56 is: 107,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,161.28 : 144,241.92 = 71,554.56 : x
  2. Step 2: Convert to fraction form
    96,161.28/144,241.92 = 71,554.56/x
  3. Step 3: Cross multiply
    96,161.28x = 144,241.92 × 71,554.56
  4. Step 4: Simplify right side
    96,161.28x = 10,321,167,119.16
  5. Step 5: Solve for x
    x = 10,321,167,119.16/96,161.28
  6. Step 6: Final answer
    x = 107,331.84

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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.