Home / 273,994.56-378,097.32-153,111.78

Finding the Fourth Proportional to 273,994.56, 378,097.32 and 153,111.78

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Solution

The fourth proportional to 273,994.56, 378,097.32 and 153,111.78 is: 211,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,994.56 : 378,097.32 = 153,111.78 : x
  2. Step 2: Convert to fraction form
    273,994.56/378,097.32 = 153,111.78/x
  3. Step 3: Cross multiply
    273,994.56x = 378,097.32 × 153,111.78
  4. Step 4: Simplify right side
    273,994.56x = 57,891,153,678.43
  5. Step 5: Solve for x
    x = 57,891,153,678.43/273,994.56
  6. Step 6: Final answer
    x = 211,285.78

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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.