Home / 214,835.31-322,449.89-115,108.11

Finding the Fourth Proportional to 214,835.31, 322,449.89 and 115,108.11

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Solution

The fourth proportional to 214,835.31, 322,449.89 and 115,108.11 is: 172,767.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,835.31 : 322,449.89 = 115,108.11 : x
  2. Step 2: Convert to fraction form
    214,835.31/322,449.89 = 115,108.11/x
  3. Step 3: Cross multiply
    214,835.31x = 322,449.89 × 115,108.11
  4. Step 4: Simplify right side
    214,835.31x = 37,116,596,832.07
  5. Step 5: Solve for x
    x = 37,116,596,832.07/214,835.31
  6. Step 6: Final answer
    x = 172,767.67

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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.