Home / 132,174.88-182,401.47-71,745.51

Finding the Fourth Proportional to 132,174.88, 182,401.47 and 71,745.51

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Solution

The fourth proportional to 132,174.88, 182,401.47 and 71,745.51 is: 99,008.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,174.88 : 182,401.47 = 71,745.51 : x
  2. Step 2: Convert to fraction form
    132,174.88/182,401.47 = 71,745.51/x
  3. Step 3: Cross multiply
    132,174.88x = 182,401.47 × 71,745.51
  4. Step 4: Simplify right side
    132,174.88x = 13,086,486,489.90
  5. Step 5: Solve for x
    x = 13,086,486,489.90/132,174.88
  6. Step 6: Final answer
    x = 99,008.88

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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.