Home / 146,029.21-218,949.64-57,291.69

Finding the Fourth Proportional to 146,029.21, 218,949.64 and 57,291.69

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Solution

The fourth proportional to 146,029.21, 218,949.64 and 57,291.69 is: 85,900.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,029.21 : 218,949.64 = 57,291.69 : x
  2. Step 2: Convert to fraction form
    146,029.21/218,949.64 = 57,291.69/x
  3. Step 3: Cross multiply
    146,029.21x = 218,949.64 × 57,291.69
  4. Step 4: Simplify right side
    146,029.21x = 12,543,994,900.49
  5. Step 5: Solve for x
    x = 12,543,994,900.49/146,029.21
  6. Step 6: Final answer
    x = 85,900.59

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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.