Home / 447,413.76-671,120.46-163,125.60

Finding the Fourth Proportional to 447,413.76, 671,120.46 and 163,125.60

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Solution

The fourth proportional to 447,413.76, 671,120.46 and 163,125.60 is: 244,688.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,413.76 : 671,120.46 = 163,125.60 : x
  2. Step 2: Convert to fraction form
    447,413.76/671,120.46 = 163,125.60/x
  3. Step 3: Cross multiply
    447,413.76x = 671,120.46 × 163,125.60
  4. Step 4: Simplify right side
    447,413.76x = 109,476,927,709.78
  5. Step 5: Solve for x
    x = 109,476,927,709.78/447,413.76
  6. Step 6: Final answer
    x = 244,688.33

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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.