Home / 221,480.28-332,273.22-71,720.64

Finding the Fourth Proportional to 221,480.28, 332,273.22 and 71,720.64

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Solution

The fourth proportional to 221,480.28, 332,273.22 and 71,720.64 is: 107,598.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,480.28 : 332,273.22 = 71,720.64 : x
  2. Step 2: Convert to fraction form
    221,480.28/332,273.22 = 71,720.64/x
  3. Step 3: Cross multiply
    221,480.28x = 332,273.22 × 71,720.64
  4. Step 4: Simplify right side
    221,480.28x = 23,830,847,993.26
  5. Step 5: Solve for x
    x = 23,830,847,993.26/221,480.28
  6. Step 6: Final answer
    x = 107,598.06

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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.