Home / 198,022.20-296,727.54-133,728.36

Finding the Fourth Proportional to 198,022.20, 296,727.54 and 133,728.36

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Solution

The fourth proportional to 198,022.20, 296,727.54 and 133,728.36 is: 200,386.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,022.20 : 296,727.54 = 133,728.36 : x
  2. Step 2: Convert to fraction form
    198,022.20/296,727.54 = 133,728.36/x
  3. Step 3: Cross multiply
    198,022.20x = 296,727.54 × 133,728.36
  4. Step 4: Simplify right side
    198,022.20x = 39,680,887,291.03
  5. Step 5: Solve for x
    x = 39,680,887,291.03/198,022.20
  6. Step 6: Final answer
    x = 200,386.05

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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.