Home / 448,514.31-672,882.19-132,971.22

Finding the Fourth Proportional to 448,514.31, 672,882.19 and 132,971.22

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Solution

The fourth proportional to 448,514.31, 672,882.19 and 132,971.22 is: 199,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,514.31 : 672,882.19 = 132,971.22 : x
  2. Step 2: Convert to fraction form
    448,514.31/672,882.19 = 132,971.22/x
  3. Step 3: Cross multiply
    448,514.31x = 672,882.19 × 132,971.22
  4. Step 4: Simplify right side
    448,514.31x = 89,473,965,388.14
  5. Step 5: Solve for x
    x = 89,473,965,388.14/448,514.31
  6. Step 6: Final answer
    x = 199,489.65

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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.