Home / 99,998.20-150,170.10-53,342.20

Finding the Fourth Proportional to 99,998.20, 150,170.10 and 53,342.20

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Solution

The fourth proportional to 99,998.20, 150,170.10 and 53,342.20 is: 80,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,998.20 : 150,170.10 = 53,342.20 : x
  2. Step 2: Convert to fraction form
    99,998.20/150,170.10 = 53,342.20/x
  3. Step 3: Cross multiply
    99,998.20x = 150,170.10 × 53,342.20
  4. Step 4: Simplify right side
    99,998.20x = 8,010,403,508.22
  5. Step 5: Solve for x
    x = 8,010,403,508.22/99,998.20
  6. Step 6: Final answer
    x = 80,105.48

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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.