Home / 214,672.51-322,156.40-74,431.14

Finding the Fourth Proportional to 214,672.51, 322,156.40 and 74,431.14

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Solution

The fourth proportional to 214,672.51, 322,156.40 and 74,431.14 is: 111,697.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,672.51 : 322,156.40 = 74,431.14 : x
  2. Step 2: Convert to fraction form
    214,672.51/322,156.40 = 74,431.14/x
  3. Step 3: Cross multiply
    214,672.51x = 322,156.40 × 74,431.14
  4. Step 4: Simplify right side
    214,672.51x = 23,978,468,110.30
  5. Step 5: Solve for x
    x = 23,978,468,110.30/214,672.51
  6. Step 6: Final answer
    x = 111,697.90

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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.