Home / 431,731.14-595,792.86-238,146.30

Finding the Fourth Proportional to 431,731.14, 595,792.86 and 238,146.30

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Solution

The fourth proportional to 431,731.14, 595,792.86 and 238,146.30 is: 328,644.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,731.14 : 595,792.86 = 238,146.30 : x
  2. Step 2: Convert to fraction form
    431,731.14/595,792.86 = 238,146.30/x
  3. Step 3: Cross multiply
    431,731.14x = 595,792.86 × 238,146.30
  4. Step 4: Simplify right side
    431,731.14x = 141,885,865,175.42
  5. Step 5: Solve for x
    x = 141,885,865,175.42/431,731.14
  6. Step 6: Final answer
    x = 328,644.04

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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.