Home / 117,974.07-162,860.22-75,557.61

Finding the Fourth Proportional to 117,974.07, 162,860.22 and 75,557.61

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Solution

The fourth proportional to 117,974.07, 162,860.22 and 75,557.61 is: 104,305.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,974.07 : 162,860.22 = 75,557.61 : x
  2. Step 2: Convert to fraction form
    117,974.07/162,860.22 = 75,557.61/x
  3. Step 3: Cross multiply
    117,974.07x = 162,860.22 × 75,557.61
  4. Step 4: Simplify right side
    117,974.07x = 12,305,328,987.27
  5. Step 5: Solve for x
    x = 12,305,328,987.27/117,974.07
  6. Step 6: Final answer
    x = 104,305.37

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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.