Home / 317,939.44-476,465.64-238,961.20

Finding the Fourth Proportional to 317,939.44, 476,465.64 and 238,961.20

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Solution

The fourth proportional to 317,939.44, 476,465.64 and 238,961.20 is: 358,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,939.44 : 476,465.64 = 238,961.20 : x
  2. Step 2: Convert to fraction form
    317,939.44/476,465.64 = 238,961.20/x
  3. Step 3: Cross multiply
    317,939.44x = 476,465.64 × 238,961.20
  4. Step 4: Simplify right side
    317,939.44x = 113,856,801,093.17
  5. Step 5: Solve for x
    x = 113,856,801,093.17/317,939.44
  6. Step 6: Final answer
    x = 358,108.45

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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.