Home / 237,306.31-355,950.25-87,481.79

Finding the Fourth Proportional to 237,306.31, 355,950.25 and 87,481.79

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Solution

The fourth proportional to 237,306.31, 355,950.25 and 87,481.79 is: 131,219.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,306.31 : 355,950.25 = 87,481.79 : x
  2. Step 2: Convert to fraction form
    237,306.31/355,950.25 = 87,481.79/x
  3. Step 3: Cross multiply
    237,306.31x = 355,950.25 × 87,481.79
  4. Step 4: Simplify right side
    237,306.31x = 31,139,164,357.31
  5. Step 5: Solve for x
    x = 31,139,164,357.31/237,306.31
  6. Step 6: Final answer
    x = 131,219.29

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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.