Home / 272,923.75-409,329.24-73,196.66

Finding the Fourth Proportional to 272,923.75, 409,329.24 and 73,196.66

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Solution

The fourth proportional to 272,923.75, 409,329.24 and 73,196.66 is: 109,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,923.75 : 409,329.24 = 73,196.66 : x
  2. Step 2: Convert to fraction form
    272,923.75/409,329.24 = 73,196.66/x
  3. Step 3: Cross multiply
    272,923.75x = 409,329.24 × 73,196.66
  4. Step 4: Simplify right side
    272,923.75x = 29,961,531,161.69
  5. Step 5: Solve for x
    x = 29,961,531,161.69/272,923.75
  6. Step 6: Final answer
    x = 109,779.86

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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.