Home / 103,660.08-155,490.12-33,546.48

Finding the Fourth Proportional to 103,660.08, 155,490.12 and 33,546.48

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Solution

The fourth proportional to 103,660.08, 155,490.12 and 33,546.48 is: 50,319.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,660.08 : 155,490.12 = 33,546.48 : x
  2. Step 2: Convert to fraction form
    103,660.08/155,490.12 = 33,546.48/x
  3. Step 3: Cross multiply
    103,660.08x = 155,490.12 × 33,546.48
  4. Step 4: Simplify right side
    103,660.08x = 5,216,146,200.78
  5. Step 5: Solve for x
    x = 5,216,146,200.78/103,660.08
  6. Step 6: Final answer
    x = 50,319.72

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Double scale
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Similar ratio
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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.