Home / 226,217.54-311,971.64-153,728.62

Finding the Fourth Proportional to 226,217.54, 311,971.64 and 153,728.62

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Solution

The fourth proportional to 226,217.54, 311,971.64 and 153,728.62 is: 212,003.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,217.54 : 311,971.64 = 153,728.62 : x
  2. Step 2: Convert to fraction form
    226,217.54/311,971.64 = 153,728.62/x
  3. Step 3: Cross multiply
    226,217.54x = 311,971.64 × 153,728.62
  4. Step 4: Simplify right side
    226,217.54x = 47,958,968,147.76
  5. Step 5: Solve for x
    x = 47,958,968,147.76/226,217.54
  6. Step 6: Final answer
    x = 212,003.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.