Home / 188,714.28-260,207.52-150,443.90

Finding the Fourth Proportional to 188,714.28, 260,207.52 and 150,443.90

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Solution

The fourth proportional to 188,714.28, 260,207.52 and 150,443.90 is: 207,438.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,714.28 : 260,207.52 = 150,443.90 : x
  2. Step 2: Convert to fraction form
    188,714.28/260,207.52 = 150,443.90/x
  3. Step 3: Cross multiply
    188,714.28x = 260,207.52 × 150,443.90
  4. Step 4: Simplify right side
    188,714.28x = 39,146,634,118.13
  5. Step 5: Solve for x
    x = 39,146,634,118.13/188,714.28
  6. Step 6: Final answer
    x = 207,438.64

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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.