Home / 119,261.79-178,891.41-30,514.59

Finding the Fourth Proportional to 119,261.79, 178,891.41 and 30,514.59

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Solution

The fourth proportional to 119,261.79, 178,891.41 and 30,514.59 is: 45,771.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,261.79 : 178,891.41 = 30,514.59 : x
  2. Step 2: Convert to fraction form
    119,261.79/178,891.41 = 30,514.59/x
  3. Step 3: Cross multiply
    119,261.79x = 178,891.41 × 30,514.59
  4. Step 4: Simplify right side
    119,261.79x = 5,458,798,030.67
  5. Step 5: Solve for x
    x = 5,458,798,030.67/119,261.79
  6. Step 6: Final answer
    x = 45,771.56

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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.