Home / 166,886.21-250,385.20-54,571.61

Finding the Fourth Proportional to 166,886.21, 250,385.20 and 54,571.61

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Solution

The fourth proportional to 166,886.21, 250,385.20 and 54,571.61 is: 81,875.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,886.21 : 250,385.20 = 54,571.61 : x
  2. Step 2: Convert to fraction form
    166,886.21/250,385.20 = 54,571.61/x
  3. Step 3: Cross multiply
    166,886.21x = 250,385.20 × 54,571.61
  4. Step 4: Simplify right side
    166,886.21x = 13,663,923,484.17
  5. Step 5: Solve for x
    x = 13,663,923,484.17/166,886.21
  6. Step 6: Final answer
    x = 81,875.69

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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.