Home / 199,187.23-274,874.80-108,543.93

Finding the Fourth Proportional to 199,187.23, 274,874.80 and 108,543.93

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Solution

The fourth proportional to 199,187.23, 274,874.80 and 108,543.93 is: 149,788.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,187.23 : 274,874.80 = 108,543.93 : x
  2. Step 2: Convert to fraction form
    199,187.23/274,874.80 = 108,543.93/x
  3. Step 3: Cross multiply
    199,187.23x = 274,874.80 × 108,543.93
  4. Step 4: Simplify right side
    199,187.23x = 29,835,991,049.96
  5. Step 5: Solve for x
    x = 29,835,991,049.96/199,187.23
  6. Step 6: Final answer
    x = 149,788.67

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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.