Home / 141,694.20-212,714.10-140,657.40

Finding the Fourth Proportional to 141,694.20, 212,714.10 and 140,657.40

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Solution

The fourth proportional to 141,694.20, 212,714.10 and 140,657.40 is: 211,157.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,694.20 : 212,714.10 = 140,657.40 : x
  2. Step 2: Convert to fraction form
    141,694.20/212,714.10 = 140,657.40/x
  3. Step 3: Cross multiply
    141,694.20x = 212,714.10 × 140,657.40
  4. Step 4: Simplify right side
    141,694.20x = 29,919,812,249.34
  5. Step 5: Solve for x
    x = 29,919,812,249.34/141,694.20
  6. Step 6: Final answer
    x = 211,157.64

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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.