Home / 158,796.54-238,188.21-40,470.78

Finding the Fourth Proportional to 158,796.54, 238,188.21 and 40,470.78

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Solution

The fourth proportional to 158,796.54, 238,188.21 and 40,470.78 is: 60,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,796.54 : 238,188.21 = 40,470.78 : x
  2. Step 2: Convert to fraction form
    158,796.54/238,188.21 = 40,470.78/x
  3. Step 3: Cross multiply
    158,796.54x = 238,188.21 × 40,470.78
  4. Step 4: Simplify right side
    158,796.54x = 9,639,662,645.50
  5. Step 5: Solve for x
    x = 9,639,662,645.50/158,796.54
  6. Step 6: Final answer
    x = 60,704.49

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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.