Home / 185,611.60-278,490.30-73,272.70

Finding the Fourth Proportional to 185,611.60, 278,490.30 and 73,272.70

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Solution

The fourth proportional to 185,611.60, 278,490.30 and 73,272.70 is: 109,937.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,611.60 : 278,490.30 = 73,272.70 : x
  2. Step 2: Convert to fraction form
    185,611.60/278,490.30 = 73,272.70/x
  3. Step 3: Cross multiply
    185,611.60x = 278,490.30 × 73,272.70
  4. Step 4: Simplify right side
    185,611.60x = 20,405,736,204.81
  5. Step 5: Solve for x
    x = 20,405,736,204.81/185,611.60
  6. Step 6: Final answer
    x = 109,937.83

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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.