Home / 416,119.28-624,248.91-131,889.06

Finding the Fourth Proportional to 416,119.28, 624,248.91 and 131,889.06

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Solution

The fourth proportional to 416,119.28, 624,248.91 and 131,889.06 is: 197,855.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,119.28 : 624,248.91 = 131,889.06 : x
  2. Step 2: Convert to fraction form
    416,119.28/624,248.91 = 131,889.06/x
  3. Step 3: Cross multiply
    416,119.28x = 624,248.91 × 131,889.06
  4. Step 4: Simplify right side
    416,119.28x = 82,331,601,945.92
  5. Step 5: Solve for x
    x = 82,331,601,945.92/416,119.28
  6. Step 6: Final answer
    x = 197,855.78

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1.5x scale

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.