Home / 126,950.60-190,433.94-42,704.12

Finding the Fourth Proportional to 126,950.60, 190,433.94 and 42,704.12

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Solution

The fourth proportional to 126,950.60, 190,433.94 and 42,704.12 is: 64,058.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,950.60 : 190,433.94 = 42,704.12 : x
  2. Step 2: Convert to fraction form
    126,950.60/190,433.94 = 42,704.12/x
  3. Step 3: Cross multiply
    126,950.60x = 190,433.94 × 42,704.12
  4. Step 4: Simplify right side
    126,950.60x = 8,132,313,825.83
  5. Step 5: Solve for x
    x = 8,132,313,825.83/126,950.60
  6. Step 6: Final answer
    x = 64,058.88

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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.