Home / 132,288.18-182,452.14-87,012.66

Finding the Fourth Proportional to 132,288.18, 182,452.14 and 87,012.66

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Solution

The fourth proportional to 132,288.18, 182,452.14 and 87,012.66 is: 120,008.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,288.18 : 182,452.14 = 87,012.66 : x
  2. Step 2: Convert to fraction form
    132,288.18/182,452.14 = 87,012.66/x
  3. Step 3: Cross multiply
    132,288.18x = 182,452.14 × 87,012.66
  4. Step 4: Simplify right side
    132,288.18x = 15,875,646,024.09
  5. Step 5: Solve for x
    x = 15,875,646,024.09/132,288.18
  6. Step 6: Final answer
    x = 120,008.05

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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.