Home / 140,800.62-211,200.75-56,560.78

Finding the Fourth Proportional to 140,800.62, 211,200.75 and 56,560.78

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Solution

The fourth proportional to 140,800.62, 211,200.75 and 56,560.78 is: 84,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,800.62 : 211,200.75 = 56,560.78 : x
  2. Step 2: Convert to fraction form
    140,800.62/211,200.75 = 56,560.78/x
  3. Step 3: Cross multiply
    140,800.62x = 211,200.75 × 56,560.78
  4. Step 4: Simplify right side
    140,800.62x = 11,945,678,628.58
  5. Step 5: Solve for x
    x = 11,945,678,628.58/140,800.62
  6. Step 6: Final answer
    x = 84,841.09

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1.5x scale

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.