Home / 172,689.12-238,309.56-96,207.48

Finding the Fourth Proportional to 172,689.12, 238,309.56 and 96,207.48

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Solution

The fourth proportional to 172,689.12, 238,309.56 and 96,207.48 is: 132,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,689.12 : 238,309.56 = 96,207.48 : x
  2. Step 2: Convert to fraction form
    172,689.12/238,309.56 = 96,207.48/x
  3. Step 3: Cross multiply
    172,689.12x = 238,309.56 × 96,207.48
  4. Step 4: Simplify right side
    172,689.12x = 22,927,162,227.51
  5. Step 5: Solve for x
    x = 22,927,162,227.51/172,689.12
  6. Step 6: Final answer
    x = 132,765.53

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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.