Home / 150,944.72-208,306.14-86,413.69

Finding the Fourth Proportional to 150,944.72, 208,306.14 and 86,413.69

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Solution

The fourth proportional to 150,944.72, 208,306.14 and 86,413.69 is: 119,252.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,944.72 : 208,306.14 = 86,413.69 : x
  2. Step 2: Convert to fraction form
    150,944.72/208,306.14 = 86,413.69/x
  3. Step 3: Cross multiply
    150,944.72x = 208,306.14 × 86,413.69
  4. Step 4: Simplify right side
    150,944.72x = 18,000,502,143.39
  5. Step 5: Solve for x
    x = 18,000,502,143.39/150,944.72
  6. Step 6: Final answer
    x = 119,252.28

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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.