Home / 226,225.90-339,380.54-74,431.51

Finding the Fourth Proportional to 226,225.90, 339,380.54 and 74,431.51

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Solution

The fourth proportional to 226,225.90, 339,380.54 and 74,431.51 is: 111,660.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,225.90 : 339,380.54 = 74,431.51 : x
  2. Step 2: Convert to fraction form
    226,225.90/339,380.54 = 74,431.51/x
  3. Step 3: Cross multiply
    226,225.90x = 339,380.54 × 74,431.51
  4. Step 4: Simplify right side
    226,225.90x = 25,260,606,056.82
  5. Step 5: Solve for x
    x = 25,260,606,056.82/226,225.90
  6. Step 6: Final answer
    x = 111,660.98

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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.