Home / 188,833.56-260,557.20-113,383.68

Finding the Fourth Proportional to 188,833.56, 260,557.20 and 113,383.68

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Solution

The fourth proportional to 188,833.56, 260,557.20 and 113,383.68 is: 156,449.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,833.56 : 260,557.20 = 113,383.68 : x
  2. Step 2: Convert to fraction form
    188,833.56/260,557.20 = 113,383.68/x
  3. Step 3: Cross multiply
    188,833.56x = 260,557.20 × 113,383.68
  4. Step 4: Simplify right side
    188,833.56x = 29,542,934,186.50
  5. Step 5: Solve for x
    x = 29,542,934,186.50/188,833.56
  6. Step 6: Final answer
    x = 156,449.60

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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.