Home / 126,511.53-189,764.26-41,122.28

Finding the Fourth Proportional to 126,511.53, 189,764.26 and 41,122.28

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Solution

The fourth proportional to 126,511.53, 189,764.26 and 41,122.28 is: 61,682.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,511.53 : 189,764.26 = 41,122.28 : x
  2. Step 2: Convert to fraction form
    126,511.53/189,764.26 = 41,122.28/x
  3. Step 3: Cross multiply
    126,511.53x = 189,764.26 × 41,122.28
  4. Step 4: Simplify right side
    126,511.53x = 7,803,539,405.32
  5. Step 5: Solve for x
    x = 7,803,539,405.32/126,511.53
  6. Step 6: Final answer
    x = 61,682.44

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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.