Home / 135,833.46-187,446.66-75,402.54

Finding the Fourth Proportional to 135,833.46, 187,446.66 and 75,402.54

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Solution

The fourth proportional to 135,833.46, 187,446.66 and 75,402.54 is: 104,053.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,833.46 : 187,446.66 = 75,402.54 : x
  2. Step 2: Convert to fraction form
    135,833.46/187,446.66 = 75,402.54/x
  3. Step 3: Cross multiply
    135,833.46x = 187,446.66 × 75,402.54
  4. Step 4: Simplify right side
    135,833.46x = 14,133,954,278.52
  5. Step 5: Solve for x
    x = 14,133,954,278.52/135,833.46
  6. Step 6: Final answer
    x = 104,053.55

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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.