Home / 132,260.69-182,414.19-86,985.15

Finding the Fourth Proportional to 132,260.69, 182,414.19 and 86,985.15

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Solution

The fourth proportional to 132,260.69, 182,414.19 and 86,985.15 is: 119,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,260.69 : 182,414.19 = 86,985.15 : x
  2. Step 2: Convert to fraction form
    132,260.69/182,414.19 = 86,985.15/x
  3. Step 3: Cross multiply
    132,260.69x = 182,414.19 × 86,985.15
  4. Step 4: Simplify right side
    132,260.69x = 15,867,325,679.28
  5. Step 5: Solve for x
    x = 15,867,325,679.28/132,260.69
  6. Step 6: Final answer
    x = 119,970.09

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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.