Home / 211,585.43-317,398.60-61,822.31

Finding the Fourth Proportional to 211,585.43, 317,398.60 and 61,822.31

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Solution

The fourth proportional to 211,585.43, 317,398.60 and 61,822.31 is: 92,739.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,585.43 : 317,398.60 = 61,822.31 : x
  2. Step 2: Convert to fraction form
    211,585.43/317,398.60 = 61,822.31/x
  3. Step 3: Cross multiply
    211,585.43x = 317,398.60 × 61,822.31
  4. Step 4: Simplify right side
    211,585.43x = 19,622,313,133.05
  5. Step 5: Solve for x
    x = 19,622,313,133.05/211,585.43
  6. Step 6: Final answer
    x = 92,739.43

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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.