Home / 291,142.42-401,934.24-204,194.54

Finding the Fourth Proportional to 291,142.42, 401,934.24 and 204,194.54

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Solution

The fourth proportional to 291,142.42, 401,934.24 and 204,194.54 is: 281,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,142.42 : 401,934.24 = 204,194.54 : x
  2. Step 2: Convert to fraction form
    291,142.42/401,934.24 = 204,194.54/x
  3. Step 3: Cross multiply
    291,142.42x = 401,934.24 × 204,194.54
  4. Step 4: Simplify right side
    291,142.42x = 82,072,774,216.41
  5. Step 5: Solve for x
    x = 82,072,774,216.41/291,142.42
  6. Step 6: Final answer
    x = 281,899.06

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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.