Home / 185,443.74-278,042.73-67,099.50

Finding the Fourth Proportional to 185,443.74, 278,042.73 and 67,099.50

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Solution

The fourth proportional to 185,443.74, 278,042.73 and 67,099.50 is: 100,604.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,443.74 : 278,042.73 = 67,099.50 : x
  2. Step 2: Convert to fraction form
    185,443.74/278,042.73 = 67,099.50/x
  3. Step 3: Cross multiply
    185,443.74x = 278,042.73 × 67,099.50
  4. Step 4: Simplify right side
    185,443.74x = 18,656,528,161.64
  5. Step 5: Solve for x
    x = 18,656,528,161.64/185,443.74
  6. Step 6: Final answer
    x = 100,604.79

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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.