Home / 351,943.14-485,296.26-261,466.98

Finding the Fourth Proportional to 351,943.14, 485,296.26 and 261,466.98

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Solution

The fourth proportional to 351,943.14, 485,296.26 and 261,466.98 is: 360,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,943.14 : 485,296.26 = 261,466.98 : x
  2. Step 2: Convert to fraction form
    351,943.14/485,296.26 = 261,466.98/x
  3. Step 3: Cross multiply
    351,943.14x = 485,296.26 × 261,466.98
  4. Step 4: Simplify right side
    351,943.14x = 126,888,947,507.50
  5. Step 5: Solve for x
    x = 126,888,947,507.50/351,943.14
  6. Step 6: Final answer
    x = 360,538.20

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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.