Home / 440,764.68-661,396.14-188,021.29

Finding the Fourth Proportional to 440,764.68, 661,396.14 and 188,021.29

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Solution

The fourth proportional to 440,764.68, 661,396.14 and 188,021.29 is: 282,138.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,764.68 : 661,396.14 = 188,021.29 : x
  2. Step 2: Convert to fraction form
    440,764.68/661,396.14 = 188,021.29/x
  3. Step 3: Cross multiply
    440,764.68x = 661,396.14 × 188,021.29
  4. Step 4: Simplify right side
    440,764.68x = 124,356,555,443.82
  5. Step 5: Solve for x
    x = 124,356,555,443.82/440,764.68
  6. Step 6: Final answer
    x = 282,138.20

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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.