Home / 127,933.31-191,805.19-61,310

Finding the Fourth Proportional to 127,933.31, 191,805.19 and 61,310

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Solution

The fourth proportional to 127,933.31, 191,805.19 and 61,310 is: 91,919.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,933.31 : 191,805.19 = 61,310 : x
  2. Step 2: Convert to fraction form
    127,933.31/191,805.19 = 61,310/x
  3. Step 3: Cross multiply
    127,933.31x = 191,805.19 × 61,310
  4. Step 4: Simplify right side
    127,933.31x = 11,759,576,198.90
  5. Step 5: Solve for x
    x = 11,759,576,198.90/127,933.31
  6. Step 6: Final answer
    x = 91,919.58

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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.