Home / 222,223.24-333,369.50-72,428.78

Finding the Fourth Proportional to 222,223.24, 333,369.50 and 72,428.78

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Solution

The fourth proportional to 222,223.24, 333,369.50 and 72,428.78 is: 108,654.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,223.24 : 333,369.50 = 72,428.78 : x
  2. Step 2: Convert to fraction form
    222,223.24/333,369.50 = 72,428.78/x
  3. Step 3: Cross multiply
    222,223.24x = 333,369.50 × 72,428.78
  4. Step 4: Simplify right side
    222,223.24x = 24,145,546,174.21
  5. Step 5: Solve for x
    x = 24,145,546,174.21/222,223.24
  6. Step 6: Final answer
    x = 108,654.46

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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.