Home / 132,550.20-198,825.30-57,657.60

Finding the Fourth Proportional to 132,550.20, 198,825.30 and 57,657.60

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Solution

The fourth proportional to 132,550.20, 198,825.30 and 57,657.60 is: 86,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,550.20 : 198,825.30 = 57,657.60 : x
  2. Step 2: Convert to fraction form
    132,550.20/198,825.30 = 57,657.60/x
  3. Step 3: Cross multiply
    132,550.20x = 198,825.30 × 57,657.60
  4. Step 4: Simplify right side
    132,550.20x = 11,463,789,617.28
  5. Step 5: Solve for x
    x = 11,463,789,617.28/132,550.20
  6. Step 6: Final answer
    x = 86,486.40

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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.