Home / 166,966.11-250,472.75-54,655.45

Finding the Fourth Proportional to 166,966.11, 250,472.75 and 54,655.45

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Solution

The fourth proportional to 166,966.11, 250,472.75 and 54,655.45 is: 81,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,966.11 : 250,472.75 = 54,655.45 : x
  2. Step 2: Convert to fraction form
    166,966.11/250,472.75 = 54,655.45/x
  3. Step 3: Cross multiply
    166,966.11x = 250,472.75 × 54,655.45
  4. Step 4: Simplify right side
    166,966.11x = 13,689,699,964.53
  5. Step 5: Solve for x
    x = 13,689,699,964.53/166,966.11
  6. Step 6: Final answer
    x = 81,990.89

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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.