Home / 166,114.08-249,162.42-47,780.79

Finding the Fourth Proportional to 166,114.08, 249,162.42 and 47,780.79

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Solution

The fourth proportional to 166,114.08, 249,162.42 and 47,780.79 is: 71,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,114.08 : 249,162.42 = 47,780.79 : x
  2. Step 2: Convert to fraction form
    166,114.08/249,162.42 = 47,780.79/x
  3. Step 3: Cross multiply
    166,114.08x = 249,162.42 × 47,780.79
  4. Step 4: Simplify right side
    166,114.08x = 11,905,177,265.91
  5. Step 5: Solve for x
    x = 11,905,177,265.91/166,114.08
  6. Step 6: Final answer
    x = 71,668.68

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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.