Home / 155,619.92-233,079.78-109,080.56

Finding the Fourth Proportional to 155,619.92, 233,079.78 and 109,080.56

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Solution

The fourth proportional to 155,619.92, 233,079.78 and 109,080.56 is: 163,375.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,619.92 : 233,079.78 = 109,080.56 : x
  2. Step 2: Convert to fraction form
    155,619.92/233,079.78 = 109,080.56/x
  3. Step 3: Cross multiply
    155,619.92x = 233,079.78 × 109,080.56
  4. Step 4: Simplify right side
    155,619.92x = 25,424,472,927.08
  5. Step 5: Solve for x
    x = 25,424,472,927.08/155,619.92
  6. Step 6: Final answer
    x = 163,375.44

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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.