Home / 140,714.20-211,022.70-40,847.32

Finding the Fourth Proportional to 140,714.20, 211,022.70 and 40,847.32

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Solution

The fourth proportional to 140,714.20, 211,022.70 and 40,847.32 is: 61,256.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,714.20 : 211,022.70 = 40,847.32 : x
  2. Step 2: Convert to fraction form
    140,714.20/211,022.70 = 40,847.32/x
  3. Step 3: Cross multiply
    140,714.20x = 211,022.70 × 40,847.32
  4. Step 4: Simplify right side
    140,714.20x = 8,619,711,754.16
  5. Step 5: Solve for x
    x = 8,619,711,754.16/140,714.20
  6. Step 6: Final answer
    x = 61,256.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.