Home / 198,485.46-297,727.73-86,151.12

Finding the Fourth Proportional to 198,485.46, 297,727.73 and 86,151.12

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Solution

The fourth proportional to 198,485.46, 297,727.73 and 86,151.12 is: 129,226.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,485.46 : 297,727.73 = 86,151.12 : x
  2. Step 2: Convert to fraction form
    198,485.46/297,727.73 = 86,151.12/x
  3. Step 3: Cross multiply
    198,485.46x = 297,727.73 × 86,151.12
  4. Step 4: Simplify right side
    198,485.46x = 25,649,577,394.56
  5. Step 5: Solve for x
    x = 25,649,577,394.56/198,485.46
  6. Step 6: Final answer
    x = 129,226.48

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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.