Home / 172,033.14-258,085.60-86,691.96

Finding the Fourth Proportional to 172,033.14, 258,085.60 and 86,691.96

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Solution

The fourth proportional to 172,033.14, 258,085.60 and 86,691.96 is: 130,056.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,033.14 : 258,085.60 = 86,691.96 : x
  2. Step 2: Convert to fraction form
    172,033.14/258,085.60 = 86,691.96/x
  3. Step 3: Cross multiply
    172,033.14x = 258,085.60 × 86,691.96
  4. Step 4: Simplify right side
    172,033.14x = 22,373,946,511.78
  5. Step 5: Solve for x
    x = 22,373,946,511.78/172,033.14
  6. Step 6: Final answer
    x = 130,056.03

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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.