Home / 126,439.93-189,687.23-67,267.00

Finding the Fourth Proportional to 126,439.93, 189,687.23 and 67,267.00

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Solution

The fourth proportional to 126,439.93, 189,687.23 and 67,267.00 is: 100,915.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,439.93 : 189,687.23 = 67,267.00 : x
  2. Step 2: Convert to fraction form
    126,439.93/189,687.23 = 67,267.00/x
  3. Step 3: Cross multiply
    126,439.93x = 189,687.23 × 67,267.00
  4. Step 4: Simplify right side
    126,439.93x = 12,759,690,594.36
  5. Step 5: Solve for x
    x = 12,759,690,594.36/126,439.93
  6. Step 6: Final answer
    x = 100,915.04

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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.