Home / 332,981.56-499,389.20-130,618.79

Finding the Fourth Proportional to 332,981.56, 499,389.20 and 130,618.79

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Solution

The fourth proportional to 332,981.56, 499,389.20 and 130,618.79 is: 195,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,981.56 : 499,389.20 = 130,618.79 : x
  2. Step 2: Convert to fraction form
    332,981.56/499,389.20 = 130,618.79/x
  3. Step 3: Cross multiply
    332,981.56x = 499,389.20 × 130,618.79
  4. Step 4: Simplify right side
    332,981.56x = 65,229,612,389.97
  5. Step 5: Solve for x
    x = 65,229,612,389.97/332,981.56
  6. Step 6: Final answer
    x = 195,895.57

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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.