Home / 121,403.68-182,132.60-37,175.64

Finding the Fourth Proportional to 121,403.68, 182,132.60 and 37,175.64

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Solution

The fourth proportional to 121,403.68, 182,132.60 and 37,175.64 is: 55,771.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,403.68 : 182,132.60 = 37,175.64 : x
  2. Step 2: Convert to fraction form
    121,403.68/182,132.60 = 37,175.64/x
  3. Step 3: Cross multiply
    121,403.68x = 182,132.60 × 37,175.64
  4. Step 4: Simplify right side
    121,403.68x = 6,770,895,969.86
  5. Step 5: Solve for x
    x = 6,770,895,969.86/121,403.68
  6. Step 6: Final answer
    x = 55,771.75

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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.