Home / 105,190.32-157,785.48-26,304.54

Finding the Fourth Proportional to 105,190.32, 157,785.48 and 26,304.54

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Solution

The fourth proportional to 105,190.32, 157,785.48 and 26,304.54 is: 39,456.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,190.32 : 157,785.48 = 26,304.54 : x
  2. Step 2: Convert to fraction form
    105,190.32/157,785.48 = 26,304.54/x
  3. Step 3: Cross multiply
    105,190.32x = 157,785.48 × 26,304.54
  4. Step 4: Simplify right side
    105,190.32x = 4,150,474,470.08
  5. Step 5: Solve for x
    x = 4,150,474,470.08/105,190.32
  6. Step 6: Final answer
    x = 39,456.81

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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.