Home / 442,959.24-664,544.56-143,440.14

Finding the Fourth Proportional to 442,959.24, 664,544.56 and 143,440.14

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Solution

The fourth proportional to 442,959.24, 664,544.56 and 143,440.14 is: 215,194.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,959.24 : 664,544.56 = 143,440.14 : x
  2. Step 2: Convert to fraction form
    442,959.24/664,544.56 = 143,440.14/x
  3. Step 3: Cross multiply
    442,959.24x = 664,544.56 × 143,440.14
  4. Step 4: Simplify right side
    442,959.24x = 95,322,364,722.64
  5. Step 5: Solve for x
    x = 95,322,364,722.64/442,959.24
  6. Step 6: Final answer
    x = 215,194.44

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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.