Home / 126,359.44-189,427.56-51,542.08

Finding the Fourth Proportional to 126,359.44, 189,427.56 and 51,542.08

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Solution

The fourth proportional to 126,359.44, 189,427.56 and 51,542.08 is: 77,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,359.44 : 189,427.56 = 51,542.08 : x
  2. Step 2: Convert to fraction form
    126,359.44/189,427.56 = 51,542.08/x
  3. Step 3: Cross multiply
    126,359.44x = 189,427.56 × 51,542.08
  4. Step 4: Simplify right side
    126,359.44x = 9,763,490,451.72
  5. Step 5: Solve for x
    x = 9,763,490,451.72/126,359.44
  6. Step 6: Final answer
    x = 77,267.60

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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.