Home / 172,634.72-238,218.88-96,151.20

Finding the Fourth Proportional to 172,634.72, 238,218.88 and 96,151.20

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Solution

The fourth proportional to 172,634.72, 238,218.88 and 96,151.20 is: 132,679.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,634.72 : 238,218.88 = 96,151.20 : x
  2. Step 2: Convert to fraction form
    172,634.72/238,218.88 = 96,151.20/x
  3. Step 3: Cross multiply
    172,634.72x = 238,218.88 × 96,151.20
  4. Step 4: Simplify right side
    172,634.72x = 22,905,031,174.66
  5. Step 5: Solve for x
    x = 22,905,031,174.66/172,634.72
  6. Step 6: Final answer
    x = 132,679.17

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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.