Home / 198,176.52-273,449.34-112,139.40

Finding the Fourth Proportional to 198,176.52, 273,449.34 and 112,139.40

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Solution

The fourth proportional to 198,176.52, 273,449.34 and 112,139.40 is: 154,732.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,176.52 : 273,449.34 = 112,139.40 : x
  2. Step 2: Convert to fraction form
    198,176.52/273,449.34 = 112,139.40/x
  3. Step 3: Cross multiply
    198,176.52x = 273,449.34 × 112,139.40
  4. Step 4: Simplify right side
    198,176.52x = 30,664,444,918.00
  5. Step 5: Solve for x
    x = 30,664,444,918.00/198,176.52
  6. Step 6: Final answer
    x = 154,732.99

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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.