Home / 366,981.06-550,412.55-100,679.79

Finding the Fourth Proportional to 366,981.06, 550,412.55 and 100,679.79

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Solution

The fourth proportional to 366,981.06, 550,412.55 and 100,679.79 is: 151,003.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,981.06 : 550,412.55 = 100,679.79 : x
  2. Step 2: Convert to fraction form
    366,981.06/550,412.55 = 100,679.79/x
  3. Step 3: Cross multiply
    366,981.06x = 550,412.55 × 100,679.79
  4. Step 4: Simplify right side
    366,981.06x = 55,415,419,947.36
  5. Step 5: Solve for x
    x = 55,415,419,947.36/366,981.06
  6. Step 6: Final answer
    x = 151,003.49

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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.