Home / 197,843.10-273,118.05-112,943.76

Finding the Fourth Proportional to 197,843.10, 273,118.05 and 112,943.76

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Solution

The fourth proportional to 197,843.10, 273,118.05 and 112,943.76 is: 155,916.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,843.10 : 273,118.05 = 112,943.76 : x
  2. Step 2: Convert to fraction form
    197,843.10/273,118.05 = 112,943.76/x
  3. Step 3: Cross multiply
    197,843.10x = 273,118.05 × 112,943.76
  4. Step 4: Simplify right side
    197,843.10x = 30,846,979,490.87
  5. Step 5: Solve for x
    x = 30,846,979,490.87/197,843.10
  6. Step 6: Final answer
    x = 155,916.38

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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.