Home / 198,073.86-273,338.19-112,031.34

Finding the Fourth Proportional to 198,073.86, 273,338.19 and 112,031.34

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Solution

The fourth proportional to 198,073.86, 273,338.19 and 112,031.34 is: 154,601.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,073.86 : 273,338.19 = 112,031.34 : x
  2. Step 2: Convert to fraction form
    198,073.86/273,338.19 = 112,031.34/x
  3. Step 3: Cross multiply
    198,073.86x = 273,338.19 × 112,031.34
  4. Step 4: Simplify right side
    198,073.86x = 30,622,443,698.87
  5. Step 5: Solve for x
    x = 30,622,443,698.87/198,073.86
  6. Step 6: Final answer
    x = 154,601.14

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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.