Home / 197,545.69-272,610.97-106,899.67

Finding the Fourth Proportional to 197,545.69, 272,610.97 and 106,899.67

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Solution

The fourth proportional to 197,545.69, 272,610.97 and 106,899.67 is: 147,520.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,545.69 : 272,610.97 = 106,899.67 : x
  2. Step 2: Convert to fraction form
    197,545.69/272,610.97 = 106,899.67/x
  3. Step 3: Cross multiply
    197,545.69x = 272,610.97 × 106,899.67
  4. Step 4: Simplify right side
    197,545.69x = 29,142,022,731.38
  5. Step 5: Solve for x
    x = 29,142,022,731.38/197,545.69
  6. Step 6: Final answer
    x = 147,520.42

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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.