Home / 197,440.12-272,473.62-108,016.12

Finding the Fourth Proportional to 197,440.12, 272,473.62 and 108,016.12

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Solution

The fourth proportional to 197,440.12, 272,473.62 and 108,016.12 is: 149,065.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,440.12 : 272,473.62 = 108,016.12 : x
  2. Step 2: Convert to fraction form
    197,440.12/272,473.62 = 108,016.12/x
  3. Step 3: Cross multiply
    197,440.12x = 272,473.62 × 108,016.12
  4. Step 4: Simplify right side
    197,440.12x = 29,431,543,234.75
  5. Step 5: Solve for x
    x = 29,431,543,234.75/197,440.12
  6. Step 6: Final answer
    x = 149,065.67

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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.