Home / 227,212.24-340,441.71-138,196.48

Finding the Fourth Proportional to 227,212.24, 340,441.71 and 138,196.48

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Solution

The fourth proportional to 227,212.24, 340,441.71 and 138,196.48 is: 207,065.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,212.24 : 340,441.71 = 138,196.48 : x
  2. Step 2: Convert to fraction form
    227,212.24/340,441.71 = 138,196.48/x
  3. Step 3: Cross multiply
    227,212.24x = 340,441.71 × 138,196.48
  4. Step 4: Simplify right side
    227,212.24x = 47,047,845,967.18
  5. Step 5: Solve for x
    x = 47,047,845,967.18/227,212.24
  6. Step 6: Final answer
    x = 207,065.63

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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.