Home / 235,092.15-352,789.43-129,986.55

Finding the Fourth Proportional to 235,092.15, 352,789.43 and 129,986.55

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Solution

The fourth proportional to 235,092.15, 352,789.43 and 129,986.55 is: 195,063.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,092.15 : 352,789.43 = 129,986.55 : x
  2. Step 2: Convert to fraction form
    235,092.15/352,789.43 = 129,986.55/x
  3. Step 3: Cross multiply
    235,092.15x = 352,789.43 × 129,986.55
  4. Step 4: Simplify right side
    235,092.15x = 45,857,880,232.23
  5. Step 5: Solve for x
    x = 45,857,880,232.23/235,092.15
  6. Step 6: Final answer
    x = 195,063.43

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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.