Home / 211,241.39-291,511.44-115,747.83

Finding the Fourth Proportional to 211,241.39, 291,511.44 and 115,747.83

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Solution

The fourth proportional to 211,241.39, 291,511.44 and 115,747.83 is: 159,731.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,241.39 : 291,511.44 = 115,747.83 : x
  2. Step 2: Convert to fraction form
    211,241.39/291,511.44 = 115,747.83/x
  3. Step 3: Cross multiply
    211,241.39x = 291,511.44 × 115,747.83
  4. Step 4: Simplify right side
    211,241.39x = 33,741,816,600.18
  5. Step 5: Solve for x
    x = 33,741,816,600.18/211,241.39
  6. Step 6: Final answer
    x = 159,731.09

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1.5x scale

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.