Home / 516,121.20-773,880.48-200,208.96

Finding the Fourth Proportional to 516,121.20, 773,880.48 and 200,208.96

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Solution

The fourth proportional to 516,121.20, 773,880.48 and 200,208.96 is: 300,196.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,121.20 : 773,880.48 = 200,208.96 : x
  2. Step 2: Convert to fraction form
    516,121.20/773,880.48 = 200,208.96/x
  3. Step 3: Cross multiply
    516,121.20x = 773,880.48 × 200,208.96
  4. Step 4: Simplify right side
    516,121.20x = 154,937,806,065.10
  5. Step 5: Solve for x
    x = 154,937,806,065.10/516,121.20
  6. Step 6: Final answer
    x = 300,196.55

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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.