Home / 185,364.56-278,068.46-67,091.60

Finding the Fourth Proportional to 185,364.56, 278,068.46 and 67,091.60

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Solution

The fourth proportional to 185,364.56, 278,068.46 and 67,091.60 is: 100,645.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,364.56 : 278,068.46 = 67,091.60 : x
  2. Step 2: Convert to fraction form
    185,364.56/278,068.46 = 67,091.60/x
  3. Step 3: Cross multiply
    185,364.56x = 278,068.46 × 67,091.60
  4. Step 4: Simplify right side
    185,364.56x = 18,656,056,165.14
  5. Step 5: Solve for x
    x = 18,656,056,165.14/185,364.56
  6. Step 6: Final answer
    x = 100,645.22

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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.