Home / 462,971.07-694,523.14-143,147.88

Finding the Fourth Proportional to 462,971.07, 694,523.14 and 143,147.88

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Solution

The fourth proportional to 462,971.07, 694,523.14 and 143,147.88 is: 214,742.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,971.07 : 694,523.14 = 143,147.88 : x
  2. Step 2: Convert to fraction form
    462,971.07/694,523.14 = 143,147.88/x
  3. Step 3: Cross multiply
    462,971.07x = 694,523.14 × 143,147.88
  4. Step 4: Simplify right side
    462,971.07x = 99,419,514,744.07
  5. Step 5: Solve for x
    x = 99,419,514,744.07/462,971.07
  6. Step 6: Final answer
    x = 214,742.39

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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.