Home / 188,535.21-260,234.68-108,016.35

Finding the Fourth Proportional to 188,535.21, 260,234.68 and 108,016.35

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Solution

The fourth proportional to 188,535.21, 260,234.68 and 108,016.35 is: 149,094.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,535.21 : 260,234.68 = 108,016.35 : x
  2. Step 2: Convert to fraction form
    188,535.21/260,234.68 = 108,016.35/x
  3. Step 3: Cross multiply
    188,535.21x = 260,234.68 × 108,016.35
  4. Step 4: Simplify right side
    188,535.21x = 28,109,600,006.98
  5. Step 5: Solve for x
    x = 28,109,600,006.98/188,535.21
  6. Step 6: Final answer
    x = 149,094.70

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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.