Home / 231,028.89-345,754.80-193,631.19

Finding the Fourth Proportional to 231,028.89, 345,754.80 and 193,631.19

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Solution

The fourth proportional to 231,028.89, 345,754.80 and 193,631.19 is: 289,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,028.89 : 345,754.80 = 193,631.19 : x
  2. Step 2: Convert to fraction form
    231,028.89/345,754.80 = 193,631.19/x
  3. Step 3: Cross multiply
    231,028.89x = 345,754.80 × 193,631.19
  4. Step 4: Simplify right side
    231,028.89x = 66,948,913,372.21
  5. Step 5: Solve for x
    x = 66,948,913,372.21/231,028.89
  6. Step 6: Final answer
    x = 289,785.89

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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.