Home / 95,905.20-132,405.88-85,265.40

Finding the Fourth Proportional to 95,905.20, 132,405.88 and 85,265.40

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Solution

The fourth proportional to 95,905.20, 132,405.88 and 85,265.40 is: 117,716.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,905.20 : 132,405.88 = 85,265.40 : x
  2. Step 2: Convert to fraction form
    95,905.20/132,405.88 = 85,265.40/x
  3. Step 3: Cross multiply
    95,905.20x = 132,405.88 × 85,265.40
  4. Step 4: Simplify right side
    95,905.20x = 11,289,640,320.55
  5. Step 5: Solve for x
    x = 11,289,640,320.55/95,905.20
  6. Step 6: Final answer
    x = 117,716.67

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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.