Home / 331,066.56-456,862.32-187,839.84

Finding the Fourth Proportional to 331,066.56, 456,862.32 and 187,839.84

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Solution

The fourth proportional to 331,066.56, 456,862.32 and 187,839.84 is: 259,213.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,066.56 : 456,862.32 = 187,839.84 : x
  2. Step 2: Convert to fraction form
    331,066.56/456,862.32 = 187,839.84/x
  3. Step 3: Cross multiply
    331,066.56x = 456,862.32 × 187,839.84
  4. Step 4: Simplify right side
    331,066.56x = 85,816,945,090.83
  5. Step 5: Solve for x
    x = 85,816,945,090.83/331,066.56
  6. Step 6: Final answer
    x = 259,213.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.