Home / 211,631.20-317,468.31-61,874.26

Finding the Fourth Proportional to 211,631.20, 317,468.31 and 61,874.26

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Solution

The fourth proportional to 211,631.20, 317,468.31 and 61,874.26 is: 92,817.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,631.20 : 317,468.31 = 61,874.26 : x
  2. Step 2: Convert to fraction form
    211,631.20/317,468.31 = 61,874.26/x
  3. Step 3: Cross multiply
    211,631.20x = 317,468.31 × 61,874.26
  4. Step 4: Simplify right side
    211,631.20x = 19,643,116,754.70
  5. Step 5: Solve for x
    x = 19,643,116,754.70/211,631.20
  6. Step 6: Final answer
    x = 92,817.68

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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.