Home / 252,437.28-378,400.41-163,747.14

Finding the Fourth Proportional to 252,437.28, 378,400.41 and 163,747.14

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Solution

The fourth proportional to 252,437.28, 378,400.41 and 163,747.14 is: 245,454.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,437.28 : 378,400.41 = 163,747.14 : x
  2. Step 2: Convert to fraction form
    252,437.28/378,400.41 = 163,747.14/x
  3. Step 3: Cross multiply
    252,437.28x = 378,400.41 × 163,747.14
  4. Step 4: Simplify right side
    252,437.28x = 61,961,984,912.33
  5. Step 5: Solve for x
    x = 61,961,984,912.33/252,437.28
  6. Step 6: Final answer
    x = 245,454.97

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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.