Home / 276,435.26-381,598.37-185,843.76

Finding the Fourth Proportional to 276,435.26, 381,598.37 and 185,843.76

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Solution

The fourth proportional to 276,435.26, 381,598.37 and 185,843.76 is: 256,543.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,435.26 : 381,598.37 = 185,843.76 : x
  2. Step 2: Convert to fraction form
    276,435.26/381,598.37 = 185,843.76/x
  3. Step 3: Cross multiply
    276,435.26x = 381,598.37 × 185,843.76
  4. Step 4: Simplify right side
    276,435.26x = 70,917,675,890.67
  5. Step 5: Solve for x
    x = 70,917,675,890.67/276,435.26
  6. Step 6: Final answer
    x = 256,543.52

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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.