Home / 121,216.39-181,853.21-38,110.39

Finding the Fourth Proportional to 121,216.39, 181,853.21 and 38,110.39

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Solution

The fourth proportional to 121,216.39, 181,853.21 and 38,110.39 is: 57,174.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,216.39 : 181,853.21 = 38,110.39 : x
  2. Step 2: Convert to fraction form
    121,216.39/181,853.21 = 38,110.39/x
  3. Step 3: Cross multiply
    121,216.39x = 181,853.21 × 38,110.39
  4. Step 4: Simplify right side
    121,216.39x = 6,930,496,755.85
  5. Step 5: Solve for x
    x = 6,930,496,755.85/121,216.39
  6. Step 6: Final answer
    x = 57,174.58

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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.