Home / 185,919.24-256,571.82-105,344.76

Finding the Fourth Proportional to 185,919.24, 256,571.82 and 105,344.76

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Solution

The fourth proportional to 185,919.24, 256,571.82 and 105,344.76 is: 145,377.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,919.24 : 256,571.82 = 105,344.76 : x
  2. Step 2: Convert to fraction form
    185,919.24/256,571.82 = 105,344.76/x
  3. Step 3: Cross multiply
    185,919.24x = 256,571.82 × 105,344.76
  4. Step 4: Simplify right side
    185,919.24x = 27,028,496,800.66
  5. Step 5: Solve for x
    x = 27,028,496,800.66/185,919.24
  6. Step 6: Final answer
    x = 145,377.62

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1.5x scale

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.