Home / 266,749.38-400,232.16-116,910.72

Finding the Fourth Proportional to 266,749.38, 400,232.16 and 116,910.72

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Solution

The fourth proportional to 266,749.38, 400,232.16 and 116,910.72 is: 175,413.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,749.38 : 400,232.16 = 116,910.72 : x
  2. Step 2: Convert to fraction form
    266,749.38/400,232.16 = 116,910.72/x
  3. Step 3: Cross multiply
    266,749.38x = 400,232.16 × 116,910.72
  4. Step 4: Simplify right side
    266,749.38x = 46,791,429,992.76
  5. Step 5: Solve for x
    x = 46,791,429,992.76/266,749.38
  6. Step 6: Final answer
    x = 175,413.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.