Home / 166,931.20-250,056.60-103,556.80

Finding the Fourth Proportional to 166,931.20, 250,056.60 and 103,556.80

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Solution

The fourth proportional to 166,931.20, 250,056.60 and 103,556.80 is: 155,124.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,931.20 : 250,056.60 = 103,556.80 : x
  2. Step 2: Convert to fraction form
    166,931.20/250,056.60 = 103,556.80/x
  3. Step 3: Cross multiply
    166,931.20x = 250,056.60 × 103,556.80
  4. Step 4: Simplify right side
    166,931.20x = 25,895,061,314.88
  5. Step 5: Solve for x
    x = 25,895,061,314.88/166,931.20
  6. Step 6: Final answer
    x = 155,124.15

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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.