Home / 231,175.17-319,019.85-162,361.35

Finding the Fourth Proportional to 231,175.17, 319,019.85 and 162,361.35

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Solution

The fourth proportional to 231,175.17, 319,019.85 and 162,361.35 is: 224,057.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,175.17 : 319,019.85 = 162,361.35 : x
  2. Step 2: Convert to fraction form
    231,175.17/319,019.85 = 162,361.35/x
  3. Step 3: Cross multiply
    231,175.17x = 319,019.85 × 162,361.35
  4. Step 4: Simplify right side
    231,175.17x = 51,796,493,522.80
  5. Step 5: Solve for x
    x = 51,796,493,522.80/231,175.17
  6. Step 6: Final answer
    x = 224,057.34

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1.5x scale

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.