Home / 172,867.47-238,539.63-96,379.38

Finding the Fourth Proportional to 172,867.47, 238,539.63 and 96,379.38

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Solution

The fourth proportional to 172,867.47, 238,539.63 and 96,379.38 is: 132,993.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,867.47 : 238,539.63 = 96,379.38 : x
  2. Step 2: Convert to fraction form
    172,867.47/238,539.63 = 96,379.38/x
  3. Step 3: Cross multiply
    172,867.47x = 238,539.63 × 96,379.38
  4. Step 4: Simplify right side
    172,867.47x = 22,990,302,006.25
  5. Step 5: Solve for x
    x = 22,990,302,006.25/172,867.47
  6. Step 6: Final answer
    x = 132,993.80

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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.