Home / 166,230.72-249,389.28-47,911.68

Finding the Fourth Proportional to 166,230.72, 249,389.28 and 47,911.68

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Solution

The fourth proportional to 166,230.72, 249,389.28 and 47,911.68 is: 71,879.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,230.72 : 249,389.28 = 47,911.68 : x
  2. Step 2: Convert to fraction form
    166,230.72/249,389.28 = 47,911.68/x
  3. Step 3: Cross multiply
    166,230.72x = 249,389.28 × 47,911.68
  4. Step 4: Simplify right side
    166,230.72x = 11,948,659,378.79
  5. Step 5: Solve for x
    x = 11,948,659,378.79/166,230.72
  6. Step 6: Final answer
    x = 71,879.97

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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.