Home / 274,275.04-378,496.83-153,414.94

Finding the Fourth Proportional to 274,275.04, 378,496.83 and 153,414.94

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Solution

The fourth proportional to 274,275.04, 378,496.83 and 153,414.94 is: 211,711.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,275.04 : 378,496.83 = 153,414.94 : x
  2. Step 2: Convert to fraction form
    274,275.04/378,496.83 = 153,414.94/x
  3. Step 3: Cross multiply
    274,275.04x = 378,496.83 × 153,414.94
  4. Step 4: Simplify right side
    274,275.04x = 58,067,068,464.64
  5. Step 5: Solve for x
    x = 58,067,068,464.64/274,275.04
  6. Step 6: Final answer
    x = 211,711.09

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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.