Home / 261,456.03-392,249.43-74,467.53

Finding the Fourth Proportional to 261,456.03, 392,249.43 and 74,467.53

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Solution

The fourth proportional to 261,456.03, 392,249.43 and 74,467.53 is: 111,719.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,456.03 : 392,249.43 = 74,467.53 : x
  2. Step 2: Convert to fraction form
    261,456.03/392,249.43 = 74,467.53/x
  3. Step 3: Cross multiply
    261,456.03x = 392,249.43 × 74,467.53
  4. Step 4: Simplify right side
    261,456.03x = 29,209,846,196.01
  5. Step 5: Solve for x
    x = 29,209,846,196.01/261,456.03
  6. Step 6: Final answer
    x = 111,719.92

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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.