Home / 121,211.19-181,763.97-41,227.47

Finding the Fourth Proportional to 121,211.19, 181,763.97 and 41,227.47

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Solution

The fourth proportional to 121,211.19, 181,763.97 and 41,227.47 is: 61,823.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,211.19 : 181,763.97 = 41,227.47 : x
  2. Step 2: Convert to fraction form
    121,211.19/181,763.97 = 41,227.47/x
  3. Step 3: Cross multiply
    121,211.19x = 181,763.97 × 41,227.47
  4. Step 4: Simplify right side
    121,211.19x = 7,493,668,620.26
  5. Step 5: Solve for x
    x = 7,493,668,620.26/121,211.19
  6. Step 6: Final answer
    x = 61,823.24

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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.