Home / 274,621.59-378,933.59-153,767.97

Finding the Fourth Proportional to 274,621.59, 378,933.59 and 153,767.97

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Solution

The fourth proportional to 274,621.59, 378,933.59 and 153,767.97 is: 212,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,621.59 : 378,933.59 = 153,767.97 : x
  2. Step 2: Convert to fraction form
    274,621.59/378,933.59 = 153,767.97/x
  3. Step 3: Cross multiply
    274,621.59x = 378,933.59 × 153,767.97
  4. Step 4: Simplify right side
    274,621.59x = 58,267,849,283.53
  5. Step 5: Solve for x
    x = 58,267,849,283.53/274,621.59
  6. Step 6: Final answer
    x = 212,175.05

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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.