Home / 276,879.06-382,093.34-149,554.76

Finding the Fourth Proportional to 276,879.06, 382,093.34 and 149,554.76

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Solution

The fourth proportional to 276,879.06, 382,093.34 and 149,554.76 is: 206,385.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,879.06 : 382,093.34 = 149,554.76 : x
  2. Step 2: Convert to fraction form
    276,879.06/382,093.34 = 149,554.76/x
  3. Step 3: Cross multiply
    276,879.06x = 382,093.34 × 149,554.76
  4. Step 4: Simplify right side
    276,879.06x = 57,143,875,103.06
  5. Step 5: Solve for x
    x = 57,143,875,103.06/276,879.06
  6. Step 6: Final answer
    x = 206,385.69

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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.