Home / 166,269.70-249,441.44-47,931.80

Finding the Fourth Proportional to 166,269.70, 249,441.44 and 47,931.80

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Solution

The fourth proportional to 166,269.70, 249,441.44 and 47,931.80 is: 71,908.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,269.70 : 249,441.44 = 47,931.80 : x
  2. Step 2: Convert to fraction form
    166,269.70/249,441.44 = 47,931.80/x
  3. Step 3: Cross multiply
    166,269.70x = 249,441.44 × 47,931.80
  4. Step 4: Simplify right side
    166,269.70x = 11,956,177,213.79
  5. Step 5: Solve for x
    x = 11,956,177,213.79/166,269.70
  6. Step 6: Final answer
    x = 71,908.33

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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.