Home / 211,467.48-291,833.55-115,977.66

Finding the Fourth Proportional to 211,467.48, 291,833.55 and 115,977.66

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Solution

The fourth proportional to 211,467.48, 291,833.55 and 115,977.66 is: 160,053.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,467.48 : 291,833.55 = 115,977.66 : x
  2. Step 2: Convert to fraction form
    211,467.48/291,833.55 = 115,977.66/x
  3. Step 3: Cross multiply
    211,467.48x = 291,833.55 × 115,977.66
  4. Step 4: Simplify right side
    211,467.48x = 33,846,172,238.49
  5. Step 5: Solve for x
    x = 33,846,172,238.49/211,467.48
  6. Step 6: Final answer
    x = 160,053.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.