Home / 189,764.40-261,872.36-104,882.96

Finding the Fourth Proportional to 189,764.40, 261,872.36 and 104,882.96

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Solution

The fourth proportional to 189,764.40, 261,872.36 and 104,882.96 is: 144,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,764.40 : 261,872.36 = 104,882.96 : x
  2. Step 2: Convert to fraction form
    189,764.40/261,872.36 = 104,882.96/x
  3. Step 3: Cross multiply
    189,764.40x = 261,872.36 × 104,882.96
  4. Step 4: Simplify right side
    189,764.40x = 27,465,948,258.99
  5. Step 5: Solve for x
    x = 27,465,948,258.99/189,764.40
  6. Step 6: Final answer
    x = 144,737.10

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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.