Home / 197,870.28-296,819.16-79,541.68

Finding the Fourth Proportional to 197,870.28, 296,819.16 and 79,541.68

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Solution

The fourth proportional to 197,870.28, 296,819.16 and 79,541.68 is: 119,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,870.28 : 296,819.16 = 79,541.68 : x
  2. Step 2: Convert to fraction form
    197,870.28/296,819.16 = 79,541.68/x
  3. Step 3: Cross multiply
    197,870.28x = 296,819.16 × 79,541.68
  4. Step 4: Simplify right side
    197,870.28x = 23,609,494,642.59
  5. Step 5: Solve for x
    x = 23,609,494,642.59/197,870.28
  6. Step 6: Final answer
    x = 119,318.04

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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.