Home / 248,112.06-372,145.92-79,586.60

Finding the Fourth Proportional to 248,112.06, 372,145.92 and 79,586.60

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Solution

The fourth proportional to 248,112.06, 372,145.92 and 79,586.60 is: 119,372.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,112.06 : 372,145.92 = 79,586.60 : x
  2. Step 2: Convert to fraction form
    248,112.06/372,145.92 = 79,586.60/x
  3. Step 3: Cross multiply
    248,112.06x = 372,145.92 × 79,586.60
  4. Step 4: Simplify right side
    248,112.06x = 29,617,828,476.67
  5. Step 5: Solve for x
    x = 29,617,828,476.67/248,112.06
  6. Step 6: Final answer
    x = 119,372.79

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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.