Home / 185,997.72-256,678.68-101,116.60

Finding the Fourth Proportional to 185,997.72, 256,678.68 and 101,116.60

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Solution

The fourth proportional to 185,997.72, 256,678.68 and 101,116.60 is: 139,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,997.72 : 256,678.68 = 101,116.60 : x
  2. Step 2: Convert to fraction form
    185,997.72/256,678.68 = 101,116.60/x
  3. Step 3: Cross multiply
    185,997.72x = 256,678.68 × 101,116.60
  4. Step 4: Simplify right side
    185,997.72x = 25,954,475,414.09
  5. Step 5: Solve for x
    x = 25,954,475,414.09/185,997.72
  6. Step 6: Final answer
    x = 139,541.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.