Home / 132,166.72-182,385.16-71,736.04

Finding the Fourth Proportional to 132,166.72, 182,385.16 and 71,736.04

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Solution

The fourth proportional to 132,166.72, 182,385.16 and 71,736.04 is: 98,993.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,166.72 : 182,385.16 = 71,736.04 : x
  2. Step 2: Convert to fraction form
    132,166.72/182,385.16 = 71,736.04/x
  3. Step 3: Cross multiply
    132,166.72x = 182,385.16 × 71,736.04
  4. Step 4: Simplify right side
    132,166.72x = 13,083,589,133.17
  5. Step 5: Solve for x
    x = 13,083,589,133.17/132,166.72
  6. Step 6: Final answer
    x = 98,993.07

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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.