Home / 188,714.73-260,432.57-108,157.70

Finding the Fourth Proportional to 188,714.73, 260,432.57 and 108,157.70

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Solution

The fourth proportional to 188,714.73, 260,432.57 and 108,157.70 is: 149,261.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,714.73 : 260,432.57 = 108,157.70 : x
  2. Step 2: Convert to fraction form
    188,714.73/260,432.57 = 108,157.70/x
  3. Step 3: Cross multiply
    188,714.73x = 260,432.57 × 108,157.70
  4. Step 4: Simplify right side
    188,714.73x = 28,167,785,933.34
  5. Step 5: Solve for x
    x = 28,167,785,933.34/188,714.73
  6. Step 6: Final answer
    x = 149,261.19

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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.