Home / 185,134.21-277,643.90-66,790.17

Finding the Fourth Proportional to 185,134.21, 277,643.90 and 66,790.17

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Solution

The fourth proportional to 185,134.21, 277,643.90 and 66,790.17 is: 100,164.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,134.21 : 277,643.90 = 66,790.17 : x
  2. Step 2: Convert to fraction form
    185,134.21/277,643.90 = 66,790.17/x
  3. Step 3: Cross multiply
    185,134.21x = 277,643.90 × 66,790.17
  4. Step 4: Simplify right side
    185,134.21x = 18,543,883,447.44
  5. Step 5: Solve for x
    x = 18,543,883,447.44/185,134.21
  6. Step 6: Final answer
    x = 100,164.54

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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.