Home / 132,163.76-182,386.18-71,734.42

Finding the Fourth Proportional to 132,163.76, 182,386.18 and 71,734.42

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Solution

The fourth proportional to 132,163.76, 182,386.18 and 71,734.42 is: 98,993.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,163.76 : 182,386.18 = 71,734.42 : x
  2. Step 2: Convert to fraction form
    132,163.76/182,386.18 = 71,734.42/x
  3. Step 3: Cross multiply
    132,163.76x = 182,386.18 × 71,734.42
  4. Step 4: Simplify right side
    132,163.76x = 13,083,366,838.32
  5. Step 5: Solve for x
    x = 13,083,366,838.32/132,163.76
  6. Step 6: Final answer
    x = 98,993.60

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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.