Home / 126,505.66-189,791.36-37,759.16

Finding the Fourth Proportional to 126,505.66, 189,791.36 and 37,759.16

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Solution

The fourth proportional to 126,505.66, 189,791.36 and 37,759.16 is: 56,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,505.66 : 189,791.36 = 37,759.16 : x
  2. Step 2: Convert to fraction form
    126,505.66/189,791.36 = 37,759.16/x
  3. Step 3: Cross multiply
    126,505.66x = 189,791.36 × 37,759.16
  4. Step 4: Simplify right side
    126,505.66x = 7,166,362,328.86
  5. Step 5: Solve for x
    x = 7,166,362,328.86/126,505.66
  6. Step 6: Final answer
    x = 56,648.55

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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.