Home / 314,932.19-434,469.24-200,149.31

Finding the Fourth Proportional to 314,932.19, 434,469.24 and 200,149.31

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Solution

The fourth proportional to 314,932.19, 434,469.24 and 200,149.31 is: 276,118.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,932.19 : 434,469.24 = 200,149.31 : x
  2. Step 2: Convert to fraction form
    314,932.19/434,469.24 = 200,149.31/x
  3. Step 3: Cross multiply
    314,932.19x = 434,469.24 × 200,149.31
  4. Step 4: Simplify right side
    314,932.19x = 86,958,718,602.22
  5. Step 5: Solve for x
    x = 86,958,718,602.22/314,932.19
  6. Step 6: Final answer
    x = 276,118.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.