Home / 101,711.22-140,311.62-88,263.60

Finding the Fourth Proportional to 101,711.22, 140,311.62 and 88,263.60

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Solution

The fourth proportional to 101,711.22, 140,311.62 and 88,263.60 is: 121,760.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,711.22 : 140,311.62 = 88,263.60 : x
  2. Step 2: Convert to fraction form
    101,711.22/140,311.62 = 88,263.60/x
  3. Step 3: Cross multiply
    101,711.22x = 140,311.62 × 88,263.60
  4. Step 4: Simplify right side
    101,711.22x = 12,384,408,703.03
  5. Step 5: Solve for x
    x = 12,384,408,703.03/101,711.22
  6. Step 6: Final answer
    x = 121,760.50

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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.