Home / 175,507.53-263,022.73-74,221.38

Finding the Fourth Proportional to 175,507.53, 263,022.73 and 74,221.38

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Solution

The fourth proportional to 175,507.53, 263,022.73 and 74,221.38 is: 111,231.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,507.53 : 263,022.73 = 74,221.38 : x
  2. Step 2: Convert to fraction form
    175,507.53/263,022.73 = 74,221.38/x
  3. Step 3: Cross multiply
    175,507.53x = 263,022.73 × 74,221.38
  4. Step 4: Simplify right side
    175,507.53x = 19,521,909,806.41
  5. Step 5: Solve for x
    x = 19,521,909,806.41/175,507.53
  6. Step 6: Final answer
    x = 111,231.18

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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.