Home / 189,772.27-261,885.81-104,889.34

Finding the Fourth Proportional to 189,772.27, 261,885.81 and 104,889.34

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Solution

The fourth proportional to 189,772.27, 261,885.81 and 104,889.34 is: 144,747.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,772.27 : 261,885.81 = 104,889.34 : x
  2. Step 2: Convert to fraction form
    189,772.27/261,885.81 = 104,889.34/x
  3. Step 3: Cross multiply
    189,772.27x = 261,885.81 × 104,889.34
  4. Step 4: Simplify right side
    189,772.27x = 27,469,029,766.27
  5. Step 5: Solve for x
    x = 27,469,029,766.27/189,772.27
  6. Step 6: Final answer
    x = 144,747.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.