Home / 172,928.48-238,752.37-108,486.07

Finding the Fourth Proportional to 172,928.48, 238,752.37 and 108,486.07

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Solution

The fourth proportional to 172,928.48, 238,752.37 and 108,486.07 is: 149,780.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,928.48 : 238,752.37 = 108,486.07 : x
  2. Step 2: Convert to fraction form
    172,928.48/238,752.37 = 108,486.07/x
  3. Step 3: Cross multiply
    172,928.48x = 238,752.37 × 108,486.07
  4. Step 4: Simplify right side
    172,928.48x = 25,901,306,324.49
  5. Step 5: Solve for x
    x = 25,901,306,324.49/172,928.48
  6. Step 6: Final answer
    x = 149,780.45

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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.