Home / 132,393.85-182,707.07-71,968.57

Finding the Fourth Proportional to 132,393.85, 182,707.07 and 71,968.57

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Solution

The fourth proportional to 132,393.85, 182,707.07 and 71,968.57 is: 99,318.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,393.85 : 182,707.07 = 71,968.57 : x
  2. Step 2: Convert to fraction form
    132,393.85/182,707.07 = 71,968.57/x
  3. Step 3: Cross multiply
    132,393.85x = 182,707.07 × 71,968.57
  4. Step 4: Simplify right side
    132,393.85x = 13,149,165,283.41
  5. Step 5: Solve for x
    x = 13,149,165,283.41/132,393.85
  6. Step 6: Final answer
    x = 99,318.55

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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.