Home / 132,586.54-198,617.37-115,965.34

Finding the Fourth Proportional to 132,586.54, 198,617.37 and 115,965.34

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Solution

The fourth proportional to 132,586.54, 198,617.37 and 115,965.34 is: 173,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,586.54 : 198,617.37 = 115,965.34 : x
  2. Step 2: Convert to fraction form
    132,586.54/198,617.37 = 115,965.34/x
  3. Step 3: Cross multiply
    132,586.54x = 198,617.37 × 115,965.34
  4. Step 4: Simplify right side
    132,586.54x = 23,032,730,841.96
  5. Step 5: Solve for x
    x = 23,032,730,841.96/132,586.54
  6. Step 6: Final answer
    x = 173,718.47

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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.