Home / 208,834.20-313,251.30-61,090.20

Finding the Fourth Proportional to 208,834.20, 313,251.30 and 61,090.20

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Solution

The fourth proportional to 208,834.20, 313,251.30 and 61,090.20 is: 91,635.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,834.20 : 313,251.30 = 61,090.20 : x
  2. Step 2: Convert to fraction form
    208,834.20/313,251.30 = 61,090.20/x
  3. Step 3: Cross multiply
    208,834.20x = 313,251.30 × 61,090.20
  4. Step 4: Simplify right side
    208,834.20x = 19,136,584,567.26
  5. Step 5: Solve for x
    x = 19,136,584,567.26/208,834.20
  6. Step 6: Final answer
    x = 91,635.30

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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.