Home / 132,175.20-182,401.88-71,745.80

Finding the Fourth Proportional to 132,175.20, 182,401.88 and 71,745.80

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Solution

The fourth proportional to 132,175.20, 182,401.88 and 71,745.80 is: 99,009.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,175.20 : 182,401.88 = 71,745.80 : x
  2. Step 2: Convert to fraction form
    132,175.20/182,401.88 = 71,745.80/x
  3. Step 3: Cross multiply
    132,175.20x = 182,401.88 × 71,745.80
  4. Step 4: Simplify right side
    132,175.20x = 13,086,568,802.10
  5. Step 5: Solve for x
    x = 13,086,568,802.10/132,175.20
  6. Step 6: Final answer
    x = 99,009.26

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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.