Home / 203,125.90-304,717.20-84,770.11

Finding the Fourth Proportional to 203,125.90, 304,717.20 and 84,770.11

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Solution

The fourth proportional to 203,125.90, 304,717.20 and 84,770.11 is: 127,167.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,125.90 : 304,717.20 = 84,770.11 : x
  2. Step 2: Convert to fraction form
    203,125.90/304,717.20 = 84,770.11/x
  3. Step 3: Cross multiply
    203,125.90x = 304,717.20 × 84,770.11
  4. Step 4: Simplify right side
    203,125.90x = 25,830,910,562.89
  5. Step 5: Solve for x
    x = 25,830,910,562.89/203,125.90
  6. Step 6: Final answer
    x = 127,167.00

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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.