Home / 126,437.37-189,683.39-67,264.44

Finding the Fourth Proportional to 126,437.37, 189,683.39 and 67,264.44

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Solution

The fourth proportional to 126,437.37, 189,683.39 and 67,264.44 is: 100,911.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,437.37 : 189,683.39 = 67,264.44 : x
  2. Step 2: Convert to fraction form
    126,437.37/189,683.39 = 67,264.44/x
  3. Step 3: Cross multiply
    126,437.37x = 189,683.39 × 67,264.44
  4. Step 4: Simplify right side
    126,437.37x = 12,758,947,005.65
  5. Step 5: Solve for x
    x = 12,758,947,005.65/126,437.37
  6. Step 6: Final answer
    x = 100,911.20

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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.