Home / 331,915.96-457,975.32-194,068.36

Finding the Fourth Proportional to 331,915.96, 457,975.32 and 194,068.36

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Solution

The fourth proportional to 331,915.96, 457,975.32 and 194,068.36 is: 267,774.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,915.96 : 457,975.32 = 194,068.36 : x
  2. Step 2: Convert to fraction form
    331,915.96/457,975.32 = 194,068.36/x
  3. Step 3: Cross multiply
    331,915.96x = 457,975.32 × 194,068.36
  4. Step 4: Simplify right side
    331,915.96x = 88,878,519,272.88
  5. Step 5: Solve for x
    x = 88,878,519,272.88/331,915.96
  6. Step 6: Final answer
    x = 267,774.17

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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.