Home / 252,153.18-378,262.56-92,204.21

Finding the Fourth Proportional to 252,153.18, 378,262.56 and 92,204.21

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Solution

The fourth proportional to 252,153.18, 378,262.56 and 92,204.21 is: 138,318.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,153.18 : 378,262.56 = 92,204.21 : x
  2. Step 2: Convert to fraction form
    252,153.18/378,262.56 = 92,204.21/x
  3. Step 3: Cross multiply
    252,153.18x = 378,262.56 × 92,204.21
  4. Step 4: Simplify right side
    252,153.18x = 34,877,398,626.06
  5. Step 5: Solve for x
    x = 34,877,398,626.06/252,153.18
  6. Step 6: Final answer
    x = 138,318.30

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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.