Home / 132,024.78-182,146.35-86,727.15

Finding the Fourth Proportional to 132,024.78, 182,146.35 and 86,727.15

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Solution

The fourth proportional to 132,024.78, 182,146.35 and 86,727.15 is: 119,652.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,024.78 : 182,146.35 = 86,727.15 : x
  2. Step 2: Convert to fraction form
    132,024.78/182,146.35 = 86,727.15/x
  3. Step 3: Cross multiply
    132,024.78x = 182,146.35 × 86,727.15
  4. Step 4: Simplify right side
    132,024.78x = 15,797,033,818.40
  5. Step 5: Solve for x
    x = 15,797,033,818.40/132,024.78
  6. Step 6: Final answer
    x = 119,652.04

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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.