Home / 220,109.20-329,872.20-195,031.60

Finding the Fourth Proportional to 220,109.20, 329,872.20 and 195,031.60

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Solution

The fourth proportional to 220,109.20, 329,872.20 and 195,031.60 is: 292,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,109.20 : 329,872.20 = 195,031.60 : x
  2. Step 2: Convert to fraction form
    220,109.20/329,872.20 = 195,031.60/x
  3. Step 3: Cross multiply
    220,109.20x = 329,872.20 × 195,031.60
  4. Step 4: Simplify right side
    220,109.20x = 64,335,502,961.52
  5. Step 5: Solve for x
    x = 64,335,502,961.52/220,109.20
  6. Step 6: Final answer
    x = 292,289.02

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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.