Home / 230,754.03-346,171.68-78,915.42

Finding the Fourth Proportional to 230,754.03, 346,171.68 and 78,915.42

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Solution

The fourth proportional to 230,754.03, 346,171.68 and 78,915.42 is: 118,387.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,754.03 : 346,171.68 = 78,915.42 : x
  2. Step 2: Convert to fraction form
    230,754.03/346,171.68 = 78,915.42/x
  3. Step 3: Cross multiply
    230,754.03x = 346,171.68 × 78,915.42
  4. Step 4: Simplify right side
    230,754.03x = 27,318,283,519.31
  5. Step 5: Solve for x
    x = 27,318,283,519.31/230,754.03
  6. Step 6: Final answer
    x = 118,387.03

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1.5x scale

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.