Home / 166,909.60-250,395.76-67,077.84

Finding the Fourth Proportional to 166,909.60, 250,395.76 and 67,077.84

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Solution

The fourth proportional to 166,909.60, 250,395.76 and 67,077.84 is: 100,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,909.60 : 250,395.76 = 67,077.84 : x
  2. Step 2: Convert to fraction form
    166,909.60/250,395.76 = 67,077.84/x
  3. Step 3: Cross multiply
    166,909.60x = 250,395.76 × 67,077.84
  4. Step 4: Simplify right side
    166,909.60x = 16,796,006,725.96
  5. Step 5: Solve for x
    x = 16,796,006,725.96/166,909.60
  6. Step 6: Final answer
    x = 100,629.36

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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.