Home / 99,997.20-150,168.60-53,341.20

Finding the Fourth Proportional to 99,997.20, 150,168.60 and 53,341.20

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Solution

The fourth proportional to 99,997.20, 150,168.60 and 53,341.20 is: 80,103.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,997.20 : 150,168.60 = 53,341.20 : x
  2. Step 2: Convert to fraction form
    99,997.20/150,168.60 = 53,341.20/x
  3. Step 3: Cross multiply
    99,997.20x = 150,168.60 × 53,341.20
  4. Step 4: Simplify right side
    99,997.20x = 8,010,173,326.32
  5. Step 5: Solve for x
    x = 8,010,173,326.32/99,997.20
  6. Step 6: Final answer
    x = 80,103.98

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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.