Home / 198,019.69-273,281.66-113,134.93

Finding the Fourth Proportional to 198,019.69, 273,281.66 and 113,134.93

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Solution

The fourth proportional to 198,019.69, 273,281.66 and 113,134.93 is: 156,134.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,019.69 : 273,281.66 = 113,134.93 : x
  2. Step 2: Convert to fraction form
    198,019.69/273,281.66 = 113,134.93/x
  3. Step 3: Cross multiply
    198,019.69x = 273,281.66 × 113,134.93
  4. Step 4: Simplify right side
    198,019.69x = 30,917,701,474.38
  5. Step 5: Solve for x
    x = 30,917,701,474.38/198,019.69
  6. Step 6: Final answer
    x = 156,134.48

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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.