Home / 105,190.30-157,786.85-35,069.64

Finding the Fourth Proportional to 105,190.30, 157,786.85 and 35,069.64

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Solution

The fourth proportional to 105,190.30, 157,786.85 and 35,069.64 is: 52,604.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,190.30 : 157,786.85 = 35,069.64 : x
  2. Step 2: Convert to fraction form
    105,190.30/157,786.85 = 35,069.64/x
  3. Step 3: Cross multiply
    105,190.30x = 157,786.85 × 35,069.64
  4. Step 4: Simplify right side
    105,190.30x = 5,533,527,324.94
  5. Step 5: Solve for x
    x = 5,533,527,324.94/105,190.30
  6. Step 6: Final answer
    x = 52,604.92

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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.