Home / 100,933.38-151,257.30-55,974.63

Finding the Fourth Proportional to 100,933.38, 151,257.30 and 55,974.63

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Solution

The fourth proportional to 100,933.38, 151,257.30 and 55,974.63 is: 83,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,933.38 : 151,257.30 = 55,974.63 : x
  2. Step 2: Convert to fraction form
    100,933.38/151,257.30 = 55,974.63/x
  3. Step 3: Cross multiply
    100,933.38x = 151,257.30 × 55,974.63
  4. Step 4: Simplify right side
    100,933.38x = 8,466,571,402.30
  5. Step 5: Solve for x
    x = 8,466,571,402.30/100,933.38
  6. Step 6: Final answer
    x = 83,882.77

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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.