Home / 120,267.20-180,405.66-53,694.92

Finding the Fourth Proportional to 120,267.20, 180,405.66 and 53,694.92

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Solution

The fourth proportional to 120,267.20, 180,405.66 and 53,694.92 is: 80,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,267.20 : 180,405.66 = 53,694.92 : x
  2. Step 2: Convert to fraction form
    120,267.20/180,405.66 = 53,694.92/x
  3. Step 3: Cross multiply
    120,267.20x = 180,405.66 × 53,694.92
  4. Step 4: Simplify right side
    120,267.20x = 9,686,866,579.22
  5. Step 5: Solve for x
    x = 9,686,866,579.22/120,267.20
  6. Step 6: Final answer
    x = 80,544.55

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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.