Home / 103,200.30-154,800.45-33,086.70

Finding the Fourth Proportional to 103,200.30, 154,800.45 and 33,086.70

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Solution

The fourth proportional to 103,200.30, 154,800.45 and 33,086.70 is: 49,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,200.30 : 154,800.45 = 33,086.70 : x
  2. Step 2: Convert to fraction form
    103,200.30/154,800.45 = 33,086.70/x
  3. Step 3: Cross multiply
    103,200.30x = 154,800.45 × 33,086.70
  4. Step 4: Simplify right side
    103,200.30x = 5,121,836,049.02
  5. Step 5: Solve for x
    x = 5,121,836,049.02/103,200.30
  6. Step 6: Final answer
    x = 49,630.05

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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.