Home / 166,742.12-250,139.34-54,396.41

Finding the Fourth Proportional to 166,742.12, 250,139.34 and 54,396.41

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Solution

The fourth proportional to 166,742.12, 250,139.34 and 54,396.41 is: 81,603.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,742.12 : 250,139.34 = 54,396.41 : x
  2. Step 2: Convert to fraction form
    166,742.12/250,139.34 = 54,396.41/x
  3. Step 3: Cross multiply
    166,742.12x = 250,139.34 × 54,396.41
  4. Step 4: Simplify right side
    166,742.12x = 13,606,682,095.77
  5. Step 5: Solve for x
    x = 13,606,682,095.77/166,742.12
  6. Step 6: Final answer
    x = 81,603.15

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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.