Home / 188,740.20-260,431.72-108,152.24

Finding the Fourth Proportional to 188,740.20, 260,431.72 and 108,152.24

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Solution

The fourth proportional to 188,740.20, 260,431.72 and 108,152.24 is: 149,233.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,740.20 : 260,431.72 = 108,152.24 : x
  2. Step 2: Convert to fraction form
    188,740.20/260,431.72 = 108,152.24/x
  3. Step 3: Cross multiply
    188,740.20x = 260,431.72 × 108,152.24
  4. Step 4: Simplify right side
    188,740.20x = 28,166,273,885.05
  5. Step 5: Solve for x
    x = 28,166,273,885.05/188,740.20
  6. Step 6: Final answer
    x = 149,233.04

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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.