Home / 121,164.90-181,755.45-41,201.70

Finding the Fourth Proportional to 121,164.90, 181,755.45 and 41,201.70

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Solution

The fourth proportional to 121,164.90, 181,755.45 and 41,201.70 is: 61,805.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,164.90 : 181,755.45 = 41,201.70 : x
  2. Step 2: Convert to fraction form
    121,164.90/181,755.45 = 41,201.70/x
  3. Step 3: Cross multiply
    121,164.90x = 181,755.45 × 41,201.70
  4. Step 4: Simplify right side
    121,164.90x = 7,488,633,524.27
  5. Step 5: Solve for x
    x = 7,488,633,524.27/121,164.90
  6. Step 6: Final answer
    x = 61,805.30

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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.