Home / 374,075.25-516,223.85-204,309.78

Finding the Fourth Proportional to 374,075.25, 516,223.85 and 204,309.78

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Solution

The fourth proportional to 374,075.25, 516,223.85 and 204,309.78 is: 281,947.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,075.25 : 516,223.85 = 204,309.78 : x
  2. Step 2: Convert to fraction form
    374,075.25/516,223.85 = 204,309.78/x
  3. Step 3: Cross multiply
    374,075.25x = 516,223.85 × 204,309.78
  4. Step 4: Simplify right side
    374,075.25x = 105,469,580,202.70
  5. Step 5: Solve for x
    x = 105,469,580,202.70/374,075.25
  6. Step 6: Final answer
    x = 281,947.50

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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.