Home / 211,542.66-317,015.64-116,815.49

Finding the Fourth Proportional to 211,542.66, 317,015.64 and 116,815.49

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Solution

The fourth proportional to 211,542.66, 317,015.64 and 116,815.49 is: 175,058.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,542.66 : 317,015.64 = 116,815.49 : x
  2. Step 2: Convert to fraction form
    211,542.66/317,015.64 = 116,815.49/x
  3. Step 3: Cross multiply
    211,542.66x = 317,015.64 × 116,815.49
  4. Step 4: Simplify right side
    211,542.66x = 37,032,335,739.19
  5. Step 5: Solve for x
    x = 37,032,335,739.19/211,542.66
  6. Step 6: Final answer
    x = 175,058.48

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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.