Home / 220,115.40-329,784.30-195,232.20

Finding the Fourth Proportional to 220,115.40, 329,784.30 and 195,232.20

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Solution

The fourth proportional to 220,115.40, 329,784.30 and 195,232.20 is: 292,503.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,115.40 : 329,784.30 = 195,232.20 : x
  2. Step 2: Convert to fraction form
    220,115.40/329,784.30 = 195,232.20/x
  3. Step 3: Cross multiply
    220,115.40x = 329,784.30 × 195,232.20
  4. Step 4: Simplify right side
    220,115.40x = 64,384,514,414.46
  5. Step 5: Solve for x
    x = 64,384,514,414.46/220,115.40
  6. Step 6: Final answer
    x = 292,503.45

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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.