Home / 197,765.40-296,517.06-109,061.40

Finding the Fourth Proportional to 197,765.40, 296,517.06 and 109,061.40

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Solution

The fourth proportional to 197,765.40, 296,517.06 and 109,061.40 is: 163,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,765.40 : 296,517.06 = 109,061.40 : x
  2. Step 2: Convert to fraction form
    197,765.40/296,517.06 = 109,061.40/x
  3. Step 3: Cross multiply
    197,765.40x = 296,517.06 × 109,061.40
  4. Step 4: Simplify right side
    197,765.40x = 32,338,565,687.48
  5. Step 5: Solve for x
    x = 32,338,565,687.48/197,765.40
  6. Step 6: Final answer
    x = 163,519.84

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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.