Home / 189,363.25-261,329.63-108,816.04

Finding the Fourth Proportional to 189,363.25, 261,329.63 and 108,816.04

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Solution

The fourth proportional to 189,363.25, 261,329.63 and 108,816.04 is: 150,170.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,363.25 : 261,329.63 = 108,816.04 : x
  2. Step 2: Convert to fraction form
    189,363.25/261,329.63 = 108,816.04/x
  3. Step 3: Cross multiply
    189,363.25x = 261,329.63 × 108,816.04
  4. Step 4: Simplify right side
    189,363.25x = 28,436,855,471.27
  5. Step 5: Solve for x
    x = 28,436,855,471.27/189,363.25
  6. Step 6: Final answer
    x = 150,170.93

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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.