Home / 197,909.76-296,868.96-119,089.92

Finding the Fourth Proportional to 197,909.76, 296,868.96 and 119,089.92

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Solution

The fourth proportional to 197,909.76, 296,868.96 and 119,089.92 is: 178,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,909.76 : 296,868.96 = 119,089.92 : x
  2. Step 2: Convert to fraction form
    197,909.76/296,868.96 = 119,089.92/x
  3. Step 3: Cross multiply
    197,909.76x = 296,868.96 × 119,089.92
  4. Step 4: Simplify right side
    197,909.76x = 35,354,100,696.88
  5. Step 5: Solve for x
    x = 35,354,100,696.88/197,909.76
  6. Step 6: Final answer
    x = 178,637.48

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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.