Home / 225,497.04-338,261.34-90,561.11

Finding the Fourth Proportional to 225,497.04, 338,261.34 and 90,561.11

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Solution

The fourth proportional to 225,497.04, 338,261.34 and 90,561.11 is: 135,847.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,497.04 : 338,261.34 = 90,561.11 : x
  2. Step 2: Convert to fraction form
    225,497.04/338,261.34 = 90,561.11/x
  3. Step 3: Cross multiply
    225,497.04x = 338,261.34 × 90,561.11
  4. Step 4: Simplify right side
    225,497.04x = 30,633,320,729.18
  5. Step 5: Solve for x
    x = 30,633,320,729.18/225,497.04
  6. Step 6: Final answer
    x = 135,847.99

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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.