Home / 126,016.48-189,240.44-84,165.50

Finding the Fourth Proportional to 126,016.48, 189,240.44 and 84,165.50

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Solution

The fourth proportional to 126,016.48, 189,240.44 and 84,165.50 is: 126,392.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,016.48 : 189,240.44 = 84,165.50 : x
  2. Step 2: Convert to fraction form
    126,016.48/189,240.44 = 84,165.50/x
  3. Step 3: Cross multiply
    126,016.48x = 189,240.44 × 84,165.50
  4. Step 4: Simplify right side
    126,016.48x = 15,927,516,252.82
  5. Step 5: Solve for x
    x = 15,927,516,252.82/126,016.48
  6. Step 6: Final answer
    x = 126,392.33

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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.