Home / 120,799.20-181,344.60-119,924.40

Finding the Fourth Proportional to 120,799.20, 181,344.60 and 119,924.40

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Solution

The fourth proportional to 120,799.20, 181,344.60 and 119,924.40 is: 180,031.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,799.20 : 181,344.60 = 119,924.40 : x
  2. Step 2: Convert to fraction form
    120,799.20/181,344.60 = 119,924.40/x
  3. Step 3: Cross multiply
    120,799.20x = 181,344.60 × 119,924.40
  4. Step 4: Simplify right side
    120,799.20x = 21,747,642,348.24
  5. Step 5: Solve for x
    x = 21,747,642,348.24/120,799.20
  6. Step 6: Final answer
    x = 180,031.34

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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.