Home / 99,782.32-149,641.20-33,204.56

Finding the Fourth Proportional to 99,782.32, 149,641.20 and 33,204.56

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Solution

The fourth proportional to 99,782.32, 149,641.20 and 33,204.56 is: 49,796.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,782.32 : 149,641.20 = 33,204.56 : x
  2. Step 2: Convert to fraction form
    99,782.32/149,641.20 = 33,204.56/x
  3. Step 3: Cross multiply
    99,782.32x = 149,641.20 × 33,204.56
  4. Step 4: Simplify right side
    99,782.32x = 4,968,770,203.87
  5. Step 5: Solve for x
    x = 4,968,770,203.87/99,782.32
  6. Step 6: Final answer
    x = 49,796.10

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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.