Home / 166,278.12-249,456.68-53,958.66

Finding the Fourth Proportional to 166,278.12, 249,456.68 and 53,958.66

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Solution

The fourth proportional to 166,278.12, 249,456.68 and 53,958.66 is: 80,950.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,278.12 : 249,456.68 = 53,958.66 : x
  2. Step 2: Convert to fraction form
    166,278.12/249,456.68 = 53,958.66/x
  3. Step 3: Cross multiply
    166,278.12x = 249,456.68 × 53,958.66
  4. Step 4: Simplify right side
    166,278.12x = 13,460,348,180.85
  5. Step 5: Solve for x
    x = 13,460,348,180.85/166,278.12
  6. Step 6: Final answer
    x = 80,950.81

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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.