Home / 156,919.14-235,489.86-68,198.58

Finding the Fourth Proportional to 156,919.14, 235,489.86 and 68,198.58

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Solution

The fourth proportional to 156,919.14, 235,489.86 and 68,198.58 is: 102,346.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,919.14 : 235,489.86 = 68,198.58 : x
  2. Step 2: Convert to fraction form
    156,919.14/235,489.86 = 68,198.58/x
  3. Step 3: Cross multiply
    156,919.14x = 235,489.86 × 68,198.58
  4. Step 4: Simplify right side
    156,919.14x = 16,060,074,056.40
  5. Step 5: Solve for x
    x = 16,060,074,056.40/156,919.14
  6. Step 6: Final answer
    x = 102,346.18

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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.