Home / 135,404.20-203,106.30-96,005.80

Finding the Fourth Proportional to 135,404.20, 203,106.30 and 96,005.80

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Solution

The fourth proportional to 135,404.20, 203,106.30 and 96,005.80 is: 144,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,404.20 : 203,106.30 = 96,005.80 : x
  2. Step 2: Convert to fraction form
    135,404.20/203,106.30 = 96,005.80/x
  3. Step 3: Cross multiply
    135,404.20x = 203,106.30 × 96,005.80
  4. Step 4: Simplify right side
    135,404.20x = 19,499,382,816.54
  5. Step 5: Solve for x
    x = 19,499,382,816.54/135,404.20
  6. Step 6: Final answer
    x = 144,008.70

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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.