Home / 188,906.23-260,680.40-108,337.15

Finding the Fourth Proportional to 188,906.23, 260,680.40 and 108,337.15

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Solution

The fourth proportional to 188,906.23, 260,680.40 and 108,337.15 is: 149,499.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,906.23 : 260,680.40 = 108,337.15 : x
  2. Step 2: Convert to fraction form
    188,906.23/260,680.40 = 108,337.15/x
  3. Step 3: Cross multiply
    188,906.23x = 260,680.40 × 108,337.15
  4. Step 4: Simplify right side
    188,906.23x = 28,241,370,809.74
  5. Step 5: Solve for x
    x = 28,241,370,809.74/188,906.23
  6. Step 6: Final answer
    x = 149,499.42

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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.