Home / 185,318.11-277,977.57-66,989.26

Finding the Fourth Proportional to 185,318.11, 277,977.57 and 66,989.26

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Solution

The fourth proportional to 185,318.11, 277,977.57 and 66,989.26 is: 100,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,318.11 : 277,977.57 = 66,989.26 : x
  2. Step 2: Convert to fraction form
    185,318.11/277,977.57 = 66,989.26/x
  3. Step 3: Cross multiply
    185,318.11x = 277,977.57 × 66,989.26
  4. Step 4: Simplify right side
    185,318.11x = 18,621,511,710.90
  5. Step 5: Solve for x
    x = 18,621,511,710.90/185,318.11
  6. Step 6: Final answer
    x = 100,484.04

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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.