Home / 121,458.08-182,180.55-37,218.48

Finding the Fourth Proportional to 121,458.08, 182,180.55 and 37,218.48

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Solution

The fourth proportional to 121,458.08, 182,180.55 and 37,218.48 is: 55,825.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,458.08 : 182,180.55 = 37,218.48 : x
  2. Step 2: Convert to fraction form
    121,458.08/182,180.55 = 37,218.48/x
  3. Step 3: Cross multiply
    121,458.08x = 182,180.55 × 37,218.48
  4. Step 4: Simplify right side
    121,458.08x = 6,780,483,918.71
  5. Step 5: Solve for x
    x = 6,780,483,918.71/121,458.08
  6. Step 6: Final answer
    x = 55,825.71

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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.