Home / 172,913.13-238,619.66-96,432.32

Finding the Fourth Proportional to 172,913.13, 238,619.66 and 96,432.32

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Solution

The fourth proportional to 172,913.13, 238,619.66 and 96,432.32 is: 133,076.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,913.13 : 238,619.66 = 96,432.32 : x
  2. Step 2: Convert to fraction form
    172,913.13/238,619.66 = 96,432.32/x
  3. Step 3: Cross multiply
    172,913.13x = 238,619.66 × 96,432.32
  4. Step 4: Simplify right side
    172,913.13x = 23,010,645,736.15
  5. Step 5: Solve for x
    x = 23,010,645,736.15/172,913.13
  6. Step 6: Final answer
    x = 133,076.34

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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.