Home / 185,959.76-256,629.48-101,082.56

Finding the Fourth Proportional to 185,959.76, 256,629.48 and 101,082.56

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Solution

The fourth proportional to 185,959.76, 256,629.48 and 101,082.56 is: 139,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,959.76 : 256,629.48 = 101,082.56 : x
  2. Step 2: Convert to fraction form
    185,959.76/256,629.48 = 101,082.56/x
  3. Step 3: Cross multiply
    185,959.76x = 256,629.48 × 101,082.56
  4. Step 4: Simplify right side
    185,959.76x = 25,940,764,809.87
  5. Step 5: Solve for x
    x = 25,940,764,809.87/185,959.76
  6. Step 6: Final answer
    x = 139,496.66

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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.