Home / 127,610.97-191,518.51-57,495.75

Finding the Fourth Proportional to 127,610.97, 191,518.51 and 57,495.75

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Solution

The fourth proportional to 127,610.97, 191,518.51 and 57,495.75 is: 86,289.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,610.97 : 191,518.51 = 57,495.75 : x
  2. Step 2: Convert to fraction form
    127,610.97/191,518.51 = 57,495.75/x
  3. Step 3: Cross multiply
    127,610.97x = 191,518.51 × 57,495.75
  4. Step 4: Simplify right side
    127,610.97x = 11,011,500,371.33
  5. Step 5: Solve for x
    x = 11,011,500,371.33/127,610.97
  6. Step 6: Final answer
    x = 86,289.61

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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.