Home / 235,244.20-324,631.38-127,811.80

Finding the Fourth Proportional to 235,244.20, 324,631.38 and 127,811.80

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Solution

The fourth proportional to 235,244.20, 324,631.38 and 127,811.80 is: 176,377.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,244.20 : 324,631.38 = 127,811.80 : x
  2. Step 2: Convert to fraction form
    235,244.20/324,631.38 = 127,811.80/x
  3. Step 3: Cross multiply
    235,244.20x = 324,631.38 × 127,811.80
  4. Step 4: Simplify right side
    235,244.20x = 41,491,721,014.28
  5. Step 5: Solve for x
    x = 41,491,721,014.28/235,244.20
  6. Step 6: Final answer
    x = 176,377.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.