Home / 211,164.80-291,168.24-134,581.44

Finding the Fourth Proportional to 211,164.80, 291,168.24 and 134,581.44

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Solution

The fourth proportional to 211,164.80, 291,168.24 and 134,581.44 is: 185,569.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,164.80 : 291,168.24 = 134,581.44 : x
  2. Step 2: Convert to fraction form
    211,164.80/291,168.24 = 134,581.44/x
  3. Step 3: Cross multiply
    211,164.80x = 291,168.24 × 134,581.44
  4. Step 4: Simplify right side
    211,164.80x = 39,185,841,021.47
  5. Step 5: Solve for x
    x = 39,185,841,021.47/211,164.80
  6. Step 6: Final answer
    x = 185,569.95

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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.