Home / 187,620.92-281,535.28-69,369.84

Finding the Fourth Proportional to 187,620.92, 281,535.28 and 69,369.84

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Solution

The fourth proportional to 187,620.92, 281,535.28 and 69,369.84 is: 104,093.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,620.92 : 281,535.28 = 69,369.84 : x
  2. Step 2: Convert to fraction form
    187,620.92/281,535.28 = 69,369.84/x
  3. Step 3: Cross multiply
    187,620.92x = 281,535.28 × 69,369.84
  4. Step 4: Simplify right side
    187,620.92x = 19,530,057,327.96
  5. Step 5: Solve for x
    x = 19,530,057,327.96/187,620.92
  6. Step 6: Final answer
    x = 104,093.18

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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.