Home / 143,181.27-214,444.80-68,354.01

Finding the Fourth Proportional to 143,181.27, 214,444.80 and 68,354.01

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Solution

The fourth proportional to 143,181.27, 214,444.80 and 68,354.01 is: 102,374.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,181.27 : 214,444.80 = 68,354.01 : x
  2. Step 2: Convert to fraction form
    143,181.27/214,444.80 = 68,354.01/x
  3. Step 3: Cross multiply
    143,181.27x = 214,444.80 × 68,354.01
  4. Step 4: Simplify right side
    143,181.27x = 14,658,162,003.65
  5. Step 5: Solve for x
    x = 14,658,162,003.65/143,181.27
  6. Step 6: Final answer
    x = 102,374.86

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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.