Home / 166,727.84-250,138.56-66,958.08

Finding the Fourth Proportional to 166,727.84, 250,138.56 and 66,958.08

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Solution

The fourth proportional to 166,727.84, 250,138.56 and 66,958.08 is: 100,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,727.84 : 250,138.56 = 66,958.08 : x
  2. Step 2: Convert to fraction form
    166,727.84/250,138.56 = 66,958.08/x
  3. Step 3: Cross multiply
    166,727.84x = 250,138.56 × 66,958.08
  4. Step 4: Simplify right side
    166,727.84x = 16,748,797,024.64
  5. Step 5: Solve for x
    x = 16,748,797,024.64/166,727.84
  6. Step 6: Final answer
    x = 100,455.91

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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.