Home / 248,285.40-372,431.57-70,792.48

Finding the Fourth Proportional to 248,285.40, 372,431.57 and 70,792.48

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Solution

The fourth proportional to 248,285.40, 372,431.57 and 70,792.48 is: 106,189.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,285.40 : 372,431.57 = 70,792.48 : x
  2. Step 2: Convert to fraction form
    248,285.40/372,431.57 = 70,792.48/x
  3. Step 3: Cross multiply
    248,285.40x = 372,431.57 × 70,792.48
  4. Step 4: Simplify right side
    248,285.40x = 26,365,354,470.59
  5. Step 5: Solve for x
    x = 26,365,354,470.59/248,285.40
  6. Step 6: Final answer
    x = 106,189.71

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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.