Home / 279,410.36-419,178.04-101,917.37

Finding the Fourth Proportional to 279,410.36, 419,178.04 and 101,917.37

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Solution

The fourth proportional to 279,410.36, 419,178.04 and 101,917.37 is: 152,898.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,410.36 : 419,178.04 = 101,917.37 : x
  2. Step 2: Convert to fraction form
    279,410.36/419,178.04 = 101,917.37/x
  3. Step 3: Cross multiply
    279,410.36x = 419,178.04 × 101,917.37
  4. Step 4: Simplify right side
    279,410.36x = 42,721,524,191.71
  5. Step 5: Solve for x
    x = 42,721,524,191.71/279,410.36
  6. Step 6: Final answer
    x = 152,898.86

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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.