Home / 320,413.41-480,337.27-120,873.93

Finding the Fourth Proportional to 320,413.41, 480,337.27 and 120,873.93

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Solution

The fourth proportional to 320,413.41, 480,337.27 and 120,873.93 is: 181,204.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,413.41 : 480,337.27 = 120,873.93 : x
  2. Step 2: Convert to fraction form
    320,413.41/480,337.27 = 120,873.93/x
  3. Step 3: Cross multiply
    320,413.41x = 480,337.27 × 120,873.93
  4. Step 4: Simplify right side
    320,413.41x = 58,060,253,550.37
  5. Step 5: Solve for x
    x = 58,060,253,550.37/320,413.41
  6. Step 6: Final answer
    x = 181,204.19

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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.