Home / 226,812.78-313,001.28-140,739.75

Finding the Fourth Proportional to 226,812.78, 313,001.28 and 140,739.75

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Solution

The fourth proportional to 226,812.78, 313,001.28 and 140,739.75 is: 194,220.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,812.78 : 313,001.28 = 140,739.75 : x
  2. Step 2: Convert to fraction form
    226,812.78/313,001.28 = 140,739.75/x
  3. Step 3: Cross multiply
    226,812.78x = 313,001.28 × 140,739.75
  4. Step 4: Simplify right side
    226,812.78x = 44,051,721,896.88
  5. Step 5: Solve for x
    x = 44,051,721,896.88/226,812.78
  6. Step 6: Final answer
    x = 194,220.63

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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.