Home / 198,475.40-273,894.58-107,832.11

Finding the Fourth Proportional to 198,475.40, 273,894.58 and 107,832.11

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Solution

The fourth proportional to 198,475.40, 273,894.58 and 107,832.11 is: 148,807.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,475.40 : 273,894.58 = 107,832.11 : x
  2. Step 2: Convert to fraction form
    198,475.40/273,894.58 = 107,832.11/x
  3. Step 3: Cross multiply
    198,475.40x = 273,894.58 × 107,832.11
  4. Step 4: Simplify right side
    198,475.40x = 29,534,628,839.91
  5. Step 5: Solve for x
    x = 29,534,628,839.91/198,475.40
  6. Step 6: Final answer
    x = 148,807.51

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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.