Home / 132,542.55-182,895.03-75,170.25

Finding the Fourth Proportional to 132,542.55, 182,895.03 and 75,170.25

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Solution

The fourth proportional to 132,542.55, 182,895.03 and 75,170.25 is: 103,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,542.55 : 182,895.03 = 75,170.25 : x
  2. Step 2: Convert to fraction form
    132,542.55/182,895.03 = 75,170.25/x
  3. Step 3: Cross multiply
    132,542.55x = 182,895.03 × 75,170.25
  4. Step 4: Simplify right side
    132,542.55x = 13,748,265,128.86
  5. Step 5: Solve for x
    x = 13,748,265,128.86/132,542.55
  6. Step 6: Final answer
    x = 103,727.18

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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.