Home / 143,226.09-214,765.34-64,272.65

Finding the Fourth Proportional to 143,226.09, 214,765.34 and 64,272.65

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Solution

The fourth proportional to 143,226.09, 214,765.34 and 64,272.65 is: 96,375.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,226.09 : 214,765.34 = 64,272.65 : x
  2. Step 2: Convert to fraction form
    143,226.09/214,765.34 = 64,272.65/x
  3. Step 3: Cross multiply
    143,226.09x = 214,765.34 × 64,272.65
  4. Step 4: Simplify right side
    143,226.09x = 13,803,536,134.76
  5. Step 5: Solve for x
    x = 13,803,536,134.76/143,226.09
  6. Step 6: Final answer
    x = 96,375.85

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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.