Home / 252,190.76-378,376.48-108,036.11

Finding the Fourth Proportional to 252,190.76, 378,376.48 and 108,036.11

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Solution

The fourth proportional to 252,190.76, 378,376.48 and 108,036.11 is: 162,092.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,190.76 : 378,376.48 = 108,036.11 : x
  2. Step 2: Convert to fraction form
    252,190.76/378,376.48 = 108,036.11/x
  3. Step 3: Cross multiply
    252,190.76x = 378,376.48 × 108,036.11
  4. Step 4: Simplify right side
    252,190.76x = 40,878,321,122.81
  5. Step 5: Solve for x
    x = 40,878,321,122.81/252,190.76
  6. Step 6: Final answer
    x = 162,092.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.