Home / 222,778.20-334,167.30-212,410.20

Finding the Fourth Proportional to 222,778.20, 334,167.30 and 212,410.20

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Solution

The fourth proportional to 222,778.20, 334,167.30 and 212,410.20 is: 318,615.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,778.20 : 334,167.30 = 212,410.20 : x
  2. Step 2: Convert to fraction form
    222,778.20/334,167.30 = 212,410.20/x
  3. Step 3: Cross multiply
    222,778.20x = 334,167.30 × 212,410.20
  4. Step 4: Simplify right side
    222,778.20x = 70,980,543,026.46
  5. Step 5: Solve for x
    x = 70,980,543,026.46/222,778.20
  6. Step 6: Final answer
    x = 318,615.30

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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.