Home / 117,626.60-162,321.90-63,910.40

Finding the Fourth Proportional to 117,626.60, 162,321.90 and 63,910.40

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Solution

The fourth proportional to 117,626.60, 162,321.90 and 63,910.40 is: 88,194.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,626.60 : 162,321.90 = 63,910.40 : x
  2. Step 2: Convert to fraction form
    117,626.60/162,321.90 = 63,910.40/x
  3. Step 3: Cross multiply
    117,626.60x = 162,321.90 × 63,910.40
  4. Step 4: Simplify right side
    117,626.60x = 10,374,057,557.76
  5. Step 5: Solve for x
    x = 10,374,057,557.76/117,626.60
  6. Step 6: Final answer
    x = 88,194.83

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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.