Home / 198,245.19-273,582.45-112,204.17

Finding the Fourth Proportional to 198,245.19, 273,582.45 and 112,204.17

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Solution

The fourth proportional to 198,245.19, 273,582.45 and 112,204.17 is: 154,844.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,245.19 : 273,582.45 = 112,204.17 : x
  2. Step 2: Convert to fraction form
    198,245.19/273,582.45 = 112,204.17/x
  3. Step 3: Cross multiply
    198,245.19x = 273,582.45 × 112,204.17
  4. Step 4: Simplify right side
    198,245.19x = 30,697,091,728.82
  5. Step 5: Solve for x
    x = 30,697,091,728.82/198,245.19
  6. Step 6: Final answer
    x = 154,844.07

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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.