Home / 153,175.35-229,621.43-82,147.37

Finding the Fourth Proportional to 153,175.35, 229,621.43 and 82,147.37

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Solution

The fourth proportional to 153,175.35, 229,621.43 and 82,147.37 is: 123,145.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,175.35 : 229,621.43 = 82,147.37 : x
  2. Step 2: Convert to fraction form
    153,175.35/229,621.43 = 82,147.37/x
  3. Step 3: Cross multiply
    153,175.35x = 229,621.43 × 82,147.37
  4. Step 4: Simplify right side
    153,175.35x = 18,862,795,627.40
  5. Step 5: Solve for x
    x = 18,862,795,627.40/153,175.35
  6. Step 6: Final answer
    x = 123,145.11

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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.