Home / 185,462.37-278,193.75-67,105.98

Finding the Fourth Proportional to 185,462.37, 278,193.75 and 67,105.98

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Solution

The fourth proportional to 185,462.37, 278,193.75 and 67,105.98 is: 100,659.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,462.37 : 278,193.75 = 67,105.98 : x
  2. Step 2: Convert to fraction form
    185,462.37/278,193.75 = 67,105.98/x
  3. Step 3: Cross multiply
    185,462.37x = 278,193.75 × 67,105.98
  4. Step 4: Simplify right side
    185,462.37x = 18,668,464,223.63
  5. Step 5: Solve for x
    x = 18,668,464,223.63/185,462.37
  6. Step 6: Final answer
    x = 100,659.04

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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.