Home / 104,097.20-156,107.40-33,978.80

Finding the Fourth Proportional to 104,097.20, 156,107.40 and 33,978.80

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Solution

The fourth proportional to 104,097.20, 156,107.40 and 33,978.80 is: 50,955.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,097.20 : 156,107.40 = 33,978.80 : x
  2. Step 2: Convert to fraction form
    104,097.20/156,107.40 = 33,978.80/x
  3. Step 3: Cross multiply
    104,097.20x = 156,107.40 × 33,978.80
  4. Step 4: Simplify right side
    104,097.20x = 5,304,342,123.12
  5. Step 5: Solve for x
    x = 5,304,342,123.12/104,097.20
  6. Step 6: Final answer
    x = 50,955.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.