Home / 188,688.03-260,426.70-108,169.62

Finding the Fourth Proportional to 188,688.03, 260,426.70 and 108,169.62

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Solution

The fourth proportional to 188,688.03, 260,426.70 and 108,169.62 is: 149,295.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,688.03 : 260,426.70 = 108,169.62 : x
  2. Step 2: Convert to fraction form
    188,688.03/260,426.70 = 108,169.62/x
  3. Step 3: Cross multiply
    188,688.03x = 260,426.70 × 108,169.62
  4. Step 4: Simplify right side
    188,688.03x = 28,170,257,176.85
  5. Step 5: Solve for x
    x = 28,170,257,176.85/188,688.03
  6. Step 6: Final answer
    x = 149,295.41

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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.