Home / 320,413.42-480,337.27-120,873.93

Finding the Fourth Proportional to 320,413.42, 480,337.27 and 120,873.93

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Solution

The fourth proportional to 320,413.42, 480,337.27 and 120,873.93 is: 181,204.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,413.42 : 480,337.27 = 120,873.93 : x
  2. Step 2: Convert to fraction form
    320,413.42/480,337.27 = 120,873.93/x
  3. Step 3: Cross multiply
    320,413.42x = 480,337.27 × 120,873.93
  4. Step 4: Simplify right side
    320,413.42x = 58,060,250,544.32
  5. Step 5: Solve for x
    x = 58,060,250,544.32/320,413.42
  6. Step 6: Final answer
    x = 181,204.18

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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.