Home / 127,986.92-192,010.64-57,866.12

Finding the Fourth Proportional to 127,986.92, 192,010.64 and 57,866.12

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Solution

The fourth proportional to 127,986.92, 192,010.64 and 57,866.12 is: 86,812.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,986.92 : 192,010.64 = 57,866.12 : x
  2. Step 2: Convert to fraction form
    127,986.92/192,010.64 = 57,866.12/x
  3. Step 3: Cross multiply
    127,986.92x = 192,010.64 × 57,866.12
  4. Step 4: Simplify right side
    127,986.92x = 11,110,910,735.52
  5. Step 5: Solve for x
    x = 11,110,910,735.52/127,986.92
  6. Step 6: Final answer
    x = 86,812.86

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1.5x scale

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.