Home / 105,508.28-158,211.66-35,338.52

Finding the Fourth Proportional to 105,508.28, 158,211.66 and 35,338.52

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Solution

The fourth proportional to 105,508.28, 158,211.66 and 35,338.52 is: 52,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,508.28 : 158,211.66 = 35,338.52 : x
  2. Step 2: Convert to fraction form
    105,508.28/158,211.66 = 35,338.52/x
  3. Step 3: Cross multiply
    105,508.28x = 158,211.66 × 35,338.52
  4. Step 4: Simplify right side
    105,508.28x = 5,590,965,911.14
  5. Step 5: Solve for x
    x = 5,590,965,911.14/105,508.28
  6. Step 6: Final answer
    x = 52,990.78

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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.