Home / 155,872.92-233,974.74-126,643.56

Finding the Fourth Proportional to 155,872.92, 233,974.74 and 126,643.56

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Solution

The fourth proportional to 155,872.92, 233,974.74 and 126,643.56 is: 190,099.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,872.92 : 233,974.74 = 126,643.56 : x
  2. Step 2: Convert to fraction form
    155,872.92/233,974.74 = 126,643.56/x
  3. Step 3: Cross multiply
    155,872.92x = 233,974.74 × 126,643.56
  4. Step 4: Simplify right side
    155,872.92x = 29,631,394,023.67
  5. Step 5: Solve for x
    x = 29,631,394,023.67/155,872.92
  6. Step 6: Final answer
    x = 190,099.69

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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.