Home / 100,524.08-150,739.68-92,644.40

Finding the Fourth Proportional to 100,524.08, 150,739.68 and 92,644.40

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Solution

The fourth proportional to 100,524.08, 150,739.68 and 92,644.40 is: 138,923.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,524.08 : 150,739.68 = 92,644.40 : x
  2. Step 2: Convert to fraction form
    100,524.08/150,739.68 = 92,644.40/x
  3. Step 3: Cross multiply
    100,524.08x = 150,739.68 × 92,644.40
  4. Step 4: Simplify right side
    100,524.08x = 13,965,187,209.79
  5. Step 5: Solve for x
    x = 13,965,187,209.79/100,524.08
  6. Step 6: Final answer
    x = 138,923.80

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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.