Home / 121,040.80-181,561.20-58,832.80

Finding the Fourth Proportional to 121,040.80, 181,561.20 and 58,832.80

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Solution

The fourth proportional to 121,040.80, 181,561.20 and 58,832.80 is: 88,249.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,040.80 : 181,561.20 = 58,832.80 : x
  2. Step 2: Convert to fraction form
    121,040.80/181,561.20 = 58,832.80/x
  3. Step 3: Cross multiply
    121,040.80x = 181,561.20 × 58,832.80
  4. Step 4: Simplify right side
    121,040.80x = 10,681,753,767.36
  5. Step 5: Solve for x
    x = 10,681,753,767.36/121,040.80
  6. Step 6: Final answer
    x = 88,249.20

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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.