Home / 171,474.38-236,647.12-103,507.90

Finding the Fourth Proportional to 171,474.38, 236,647.12 and 103,507.90

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Solution

The fourth proportional to 171,474.38, 236,647.12 and 103,507.90 is: 142,848.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,474.38 : 236,647.12 = 103,507.90 : x
  2. Step 2: Convert to fraction form
    171,474.38/236,647.12 = 103,507.90/x
  3. Step 3: Cross multiply
    171,474.38x = 236,647.12 × 103,507.90
  4. Step 4: Simplify right side
    171,474.38x = 24,494,846,432.25
  5. Step 5: Solve for x
    x = 24,494,846,432.25/171,474.38
  6. Step 6: Final answer
    x = 142,848.43

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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.