Home / 120,853.40-181,209.18-36,588.20

Finding the Fourth Proportional to 120,853.40, 181,209.18 and 36,588.20

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Solution

The fourth proportional to 120,853.40, 181,209.18 and 36,588.20 is: 54,860.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,853.40 : 181,209.18 = 36,588.20 : x
  2. Step 2: Convert to fraction form
    120,853.40/181,209.18 = 36,588.20/x
  3. Step 3: Cross multiply
    120,853.40x = 181,209.18 × 36,588.20
  4. Step 4: Simplify right side
    120,853.40x = 6,630,117,719.68
  5. Step 5: Solve for x
    x = 6,630,117,719.68/120,853.40
  6. Step 6: Final answer
    x = 54,860.83

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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.