Home / 252,138.48-378,273.32-94,379.12

Finding the Fourth Proportional to 252,138.48, 378,273.32 and 94,379.12

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Solution

The fourth proportional to 252,138.48, 378,273.32 and 94,379.12 is: 141,593.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,138.48 : 378,273.32 = 94,379.12 : x
  2. Step 2: Convert to fraction form
    252,138.48/378,273.32 = 94,379.12/x
  3. Step 3: Cross multiply
    252,138.48x = 378,273.32 × 94,379.12
  4. Step 4: Simplify right side
    252,138.48x = 35,701,103,061.08
  5. Step 5: Solve for x
    x = 35,701,103,061.08/252,138.48
  6. Step 6: Final answer
    x = 141,593.24

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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.