Home / 198,066.56-273,331.06-107,422.16

Finding the Fourth Proportional to 198,066.56, 273,331.06 and 107,422.16

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Solution

The fourth proportional to 198,066.56, 273,331.06 and 107,422.16 is: 148,242.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,066.56 : 273,331.06 = 107,422.16 : x
  2. Step 2: Convert to fraction form
    198,066.56/273,331.06 = 107,422.16/x
  3. Step 3: Cross multiply
    198,066.56x = 273,331.06 × 107,422.16
  4. Step 4: Simplify right side
    198,066.56x = 29,361,811,225.08
  5. Step 5: Solve for x
    x = 29,361,811,225.08/198,066.56
  6. Step 6: Final answer
    x = 148,242.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.