Home / 199,235.68-274,945.34-113,194.81

Finding the Fourth Proportional to 199,235.68, 274,945.34 and 113,194.81

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Solution

The fourth proportional to 199,235.68, 274,945.34 and 113,194.81 is: 156,208.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,235.68 : 274,945.34 = 113,194.81 : x
  2. Step 2: Convert to fraction form
    199,235.68/274,945.34 = 113,194.81/x
  3. Step 3: Cross multiply
    199,235.68x = 274,945.34 × 113,194.81
  4. Step 4: Simplify right side
    199,235.68x = 31,122,385,521.69
  5. Step 5: Solve for x
    x = 31,122,385,521.69/199,235.68
  6. Step 6: Final answer
    x = 156,208.90

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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.