Home / 166,898.25-250,378.76-67,066.36

Finding the Fourth Proportional to 166,898.25, 250,378.76 and 67,066.36

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Solution

The fourth proportional to 166,898.25, 250,378.76 and 67,066.36 is: 100,612.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,898.25 : 250,378.76 = 67,066.36 : x
  2. Step 2: Convert to fraction form
    166,898.25/250,378.76 = 67,066.36/x
  3. Step 3: Cross multiply
    166,898.25x = 250,378.76 × 67,066.36
  4. Step 4: Simplify right side
    166,898.25x = 16,791,991,596.23
  5. Step 5: Solve for x
    x = 16,791,991,596.23/166,898.25
  6. Step 6: Final answer
    x = 100,612.15

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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.