Home / 332,723.20-499,084.80-133,139.20

Finding the Fourth Proportional to 332,723.20, 499,084.80 and 133,139.20

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Solution

The fourth proportional to 332,723.20, 499,084.80 and 133,139.20 is: 199,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,723.20 : 499,084.80 = 133,139.20 : x
  2. Step 2: Convert to fraction form
    332,723.20/499,084.80 = 133,139.20/x
  3. Step 3: Cross multiply
    332,723.20x = 499,084.80 × 133,139.20
  4. Step 4: Simplify right side
    332,723.20x = 66,447,751,004.16
  5. Step 5: Solve for x
    x = 66,447,751,004.16/332,723.20
  6. Step 6: Final answer
    x = 199,708.80

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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.