Home / 203,076.54-304,677.10-90,851.22

Finding the Fourth Proportional to 203,076.54, 304,677.10 and 90,851.22

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Solution

The fourth proportional to 203,076.54, 304,677.10 and 90,851.22 is: 136,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,076.54 : 304,677.10 = 90,851.22 : x
  2. Step 2: Convert to fraction form
    203,076.54/304,677.10 = 90,851.22/x
  3. Step 3: Cross multiply
    203,076.54x = 304,677.10 × 90,851.22
  4. Step 4: Simplify right side
    203,076.54x = 27,680,286,241.06
  5. Step 5: Solve for x
    x = 27,680,286,241.06/203,076.54
  6. Step 6: Final answer
    x = 136,304.70

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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.