Home / 211,896.36-317,844.24-54,124.86

Finding the Fourth Proportional to 211,896.36, 317,844.24 and 54,124.86

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Solution

The fourth proportional to 211,896.36, 317,844.24 and 54,124.86 is: 81,187.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,896.36 : 317,844.24 = 54,124.86 : x
  2. Step 2: Convert to fraction form
    211,896.36/317,844.24 = 54,124.86/x
  3. Step 3: Cross multiply
    211,896.36x = 317,844.24 × 54,124.86
  4. Step 4: Simplify right side
    211,896.36x = 17,203,274,991.81
  5. Step 5: Solve for x
    x = 17,203,274,991.81/211,896.36
  6. Step 6: Final answer
    x = 81,187.21

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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.