Home / 130,366.87-195,219.52-109,251.38

Finding the Fourth Proportional to 130,366.87, 195,219.52 and 109,251.38

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Solution

The fourth proportional to 130,366.87, 195,219.52 and 109,251.38 is: 163,599.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,366.87 : 195,219.52 = 109,251.38 : x
  2. Step 2: Convert to fraction form
    130,366.87/195,219.52 = 109,251.38/x
  3. Step 3: Cross multiply
    130,366.87x = 195,219.52 × 109,251.38
  4. Step 4: Simplify right side
    130,366.87x = 21,328,002,177.86
  5. Step 5: Solve for x
    x = 21,328,002,177.86/130,366.87
  6. Step 6: Final answer
    x = 163,599.87

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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.