Home / 153,821.62-230,731.46-82,777.72

Finding the Fourth Proportional to 153,821.62, 230,731.46 and 82,777.72

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Solution

The fourth proportional to 153,821.62, 230,731.46 and 82,777.72 is: 124,166.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,821.62 : 230,731.46 = 82,777.72 : x
  2. Step 2: Convert to fraction form
    153,821.62/230,731.46 = 82,777.72/x
  3. Step 3: Cross multiply
    153,821.62x = 230,731.46 × 82,777.72
  4. Step 4: Simplify right side
    153,821.62x = 19,099,424,825.14
  5. Step 5: Solve for x
    x = 19,099,424,825.14/153,821.62
  6. Step 6: Final answer
    x = 124,166.06

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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.