Home / 80,133.40-120,200.10-24,722.20

Finding the Fourth Proportional to 80,133.40, 120,200.10 and 24,722.20

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Solution

The fourth proportional to 80,133.40, 120,200.10 and 24,722.20 is: 37,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,133.40 : 120,200.10 = 24,722.20 : x
  2. Step 2: Convert to fraction form
    80,133.40/120,200.10 = 24,722.20/x
  3. Step 3: Cross multiply
    80,133.40x = 120,200.10 × 24,722.20
  4. Step 4: Simplify right side
    80,133.40x = 2,971,610,912.22
  5. Step 5: Solve for x
    x = 2,971,610,912.22/80,133.40
  6. Step 6: Final answer
    x = 37,083.30

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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.