Home / 198,065.19-273,303.66-112,035.90

Finding the Fourth Proportional to 198,065.19, 273,303.66 and 112,035.90

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Solution

The fourth proportional to 198,065.19, 273,303.66 and 112,035.90 is: 154,594.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,065.19 : 273,303.66 = 112,035.90 : x
  2. Step 2: Convert to fraction form
    198,065.19/273,303.66 = 112,035.90/x
  3. Step 3: Cross multiply
    198,065.19x = 273,303.66 × 112,035.90
  4. Step 4: Simplify right side
    198,065.19x = 30,619,821,521.39
  5. Step 5: Solve for x
    x = 30,619,821,521.39/198,065.19
  6. Step 6: Final answer
    x = 154,594.66

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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.