Home / 126,178.83-189,302.27-41,952.60

Finding the Fourth Proportional to 126,178.83, 189,302.27 and 41,952.60

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Solution

The fourth proportional to 126,178.83, 189,302.27 and 41,952.60 is: 62,940.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,178.83 : 189,302.27 = 41,952.60 : x
  2. Step 2: Convert to fraction form
    126,178.83/189,302.27 = 41,952.60/x
  3. Step 3: Cross multiply
    126,178.83x = 189,302.27 × 41,952.60
  4. Step 4: Simplify right side
    126,178.83x = 7,941,722,202.64
  5. Step 5: Solve for x
    x = 7,941,722,202.64/126,178.83
  6. Step 6: Final answer
    x = 62,940.21

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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.