Home / 117,520.54-162,180.03-63,805.66

Finding the Fourth Proportional to 117,520.54, 162,180.03 and 63,805.66

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Solution

The fourth proportional to 117,520.54, 162,180.03 and 63,805.66 is: 88,052.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,520.54 : 162,180.03 = 63,805.66 : x
  2. Step 2: Convert to fraction form
    117,520.54/162,180.03 = 63,805.66/x
  3. Step 3: Cross multiply
    117,520.54x = 162,180.03 × 63,805.66
  4. Step 4: Simplify right side
    117,520.54x = 10,348,003,852.97
  5. Step 5: Solve for x
    x = 10,348,003,852.97/117,520.54
  6. Step 6: Final answer
    x = 88,052.73

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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.