Home / 166,441.41-249,596.46-71,678.70

Finding the Fourth Proportional to 166,441.41, 249,596.46 and 71,678.70

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Solution

The fourth proportional to 166,441.41, 249,596.46 and 71,678.70 is: 107,489.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,441.41 : 249,596.46 = 71,678.70 : x
  2. Step 2: Convert to fraction form
    166,441.41/249,596.46 = 71,678.70/x
  3. Step 3: Cross multiply
    166,441.41x = 249,596.46 × 71,678.70
  4. Step 4: Simplify right side
    166,441.41x = 17,890,749,777.40
  5. Step 5: Solve for x
    x = 17,890,749,777.40/166,441.41
  6. Step 6: Final answer
    x = 107,489.78

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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.