Home / 117,961.90-162,794.22-88,838.12

Finding the Fourth Proportional to 117,961.90, 162,794.22 and 88,838.12

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Solution

The fourth proportional to 117,961.90, 162,794.22 and 88,838.12 is: 122,601.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,961.90 : 162,794.22 = 88,838.12 : x
  2. Step 2: Convert to fraction form
    117,961.90/162,794.22 = 88,838.12/x
  3. Step 3: Cross multiply
    117,961.90x = 162,794.22 × 88,838.12
  4. Step 4: Simplify right side
    117,961.90x = 14,462,332,451.67
  5. Step 5: Solve for x
    x = 14,462,332,451.67/117,961.90
  6. Step 6: Final answer
    x = 122,601.73

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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.