Home / 104,533.20-156,799.80-34,419.60

Finding the Fourth Proportional to 104,533.20, 156,799.80 and 34,419.60

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Solution

The fourth proportional to 104,533.20, 156,799.80 and 34,419.60 is: 51,629.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,533.20 : 156,799.80 = 34,419.60 : x
  2. Step 2: Convert to fraction form
    104,533.20/156,799.80 = 34,419.60/x
  3. Step 3: Cross multiply
    104,533.20x = 156,799.80 × 34,419.60
  4. Step 4: Simplify right side
    104,533.20x = 5,396,986,396.08
  5. Step 5: Solve for x
    x = 5,396,986,396.08/104,533.20
  6. Step 6: Final answer
    x = 51,629.40

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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.