Home / 132,587.67-198,619.06-115,966.47

Finding the Fourth Proportional to 132,587.67, 198,619.06 and 115,966.47

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Solution

The fourth proportional to 132,587.67, 198,619.06 and 115,966.47 is: 173,720.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,587.67 : 198,619.06 = 115,966.47 : x
  2. Step 2: Convert to fraction form
    132,587.67/198,619.06 = 115,966.47/x
  3. Step 3: Cross multiply
    132,587.67x = 198,619.06 × 115,966.47
  4. Step 4: Simplify right side
    132,587.67x = 23,033,151,262.92
  5. Step 5: Solve for x
    x = 23,033,151,262.92/132,587.67
  6. Step 6: Final answer
    x = 173,720.16

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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.