Home / 121,132.26-181,698.66-36,892.80

Finding the Fourth Proportional to 121,132.26, 181,698.66 and 36,892.80

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Solution

The fourth proportional to 121,132.26, 181,698.66 and 36,892.80 is: 55,339.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,132.26 : 181,698.66 = 36,892.80 : x
  2. Step 2: Convert to fraction form
    121,132.26/181,698.66 = 36,892.80/x
  3. Step 3: Cross multiply
    121,132.26x = 181,698.66 × 36,892.80
  4. Step 4: Simplify right side
    121,132.26x = 6,703,372,323.65
  5. Step 5: Solve for x
    x = 6,703,372,323.65/121,132.26
  6. Step 6: Final answer
    x = 55,339.28

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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.