Home / 120,182.14-180,115.44-88,443.58

Finding the Fourth Proportional to 120,182.14, 180,115.44 and 88,443.58

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Solution

The fourth proportional to 120,182.14, 180,115.44 and 88,443.58 is: 132,549.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,182.14 : 180,115.44 = 88,443.58 : x
  2. Step 2: Convert to fraction form
    120,182.14/180,115.44 = 88,443.58/x
  3. Step 3: Cross multiply
    120,182.14x = 180,115.44 × 88,443.58
  4. Step 4: Simplify right side
    120,182.14x = 15,930,054,326.88
  5. Step 5: Solve for x
    x = 15,930,054,326.88/120,182.14
  6. Step 6: Final answer
    x = 132,549.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.