Home / 132,132.42-182,494.23-87,012.18

Finding the Fourth Proportional to 132,132.42, 182,494.23 and 87,012.18

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Solution

The fourth proportional to 132,132.42, 182,494.23 and 87,012.18 is: 120,176.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,132.42 : 182,494.23 = 87,012.18 : x
  2. Step 2: Convert to fraction form
    132,132.42/182,494.23 = 87,012.18/x
  3. Step 3: Cross multiply
    132,132.42x = 182,494.23 × 87,012.18
  4. Step 4: Simplify right side
    132,132.42x = 15,879,220,789.72
  5. Step 5: Solve for x
    x = 15,879,220,789.72/132,132.42
  6. Step 6: Final answer
    x = 120,176.57

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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.