Home / 126,754.63-190,318.85-70,704.25

Finding the Fourth Proportional to 126,754.63, 190,318.85 and 70,704.25

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Solution

The fourth proportional to 126,754.63, 190,318.85 and 70,704.25 is: 106,160.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,754.63 : 190,318.85 = 70,704.25 : x
  2. Step 2: Convert to fraction form
    126,754.63/190,318.85 = 70,704.25/x
  3. Step 3: Cross multiply
    126,754.63x = 190,318.85 × 70,704.25
  4. Step 4: Simplify right side
    126,754.63x = 13,456,351,550.11
  5. Step 5: Solve for x
    x = 13,456,351,550.11/126,754.63
  6. Step 6: Final answer
    x = 106,160.63

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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.