Home / 185,845.80-278,841.60-67,529.10

Finding the Fourth Proportional to 185,845.80, 278,841.60 and 67,529.10

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Solution

The fourth proportional to 185,845.80, 278,841.60 and 67,529.10 is: 101,320.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,845.80 : 278,841.60 = 67,529.10 : x
  2. Step 2: Convert to fraction form
    185,845.80/278,841.60 = 67,529.10/x
  3. Step 3: Cross multiply
    185,845.80x = 278,841.60 × 67,529.10
  4. Step 4: Simplify right side
    185,845.80x = 18,829,922,290.56
  5. Step 5: Solve for x
    x = 18,829,922,290.56/185,845.80
  6. Step 6: Final answer
    x = 101,320.14

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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.