Home / 121,293.22-181,738.69-73,764.55

Finding the Fourth Proportional to 121,293.22, 181,738.69 and 73,764.55

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Solution

The fourth proportional to 121,293.22, 181,738.69 and 73,764.55 is: 110,524.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,293.22 : 181,738.69 = 73,764.55 : x
  2. Step 2: Convert to fraction form
    121,293.22/181,738.69 = 73,764.55/x
  3. Step 3: Cross multiply
    121,293.22x = 181,738.69 × 73,764.55
  4. Step 4: Simplify right side
    121,293.22x = 13,405,872,685.44
  5. Step 5: Solve for x
    x = 13,405,872,685.44/121,293.22
  6. Step 6: Final answer
    x = 110,524.50

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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.