Home / 193,413.84-266,915.70-108,537.18

Finding the Fourth Proportional to 193,413.84, 266,915.70 and 108,537.18

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Solution

The fourth proportional to 193,413.84, 266,915.70 and 108,537.18 is: 149,783.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,413.84 : 266,915.70 = 108,537.18 : x
  2. Step 2: Convert to fraction form
    193,413.84/266,915.70 = 108,537.18/x
  3. Step 3: Cross multiply
    193,413.84x = 266,915.70 × 108,537.18
  4. Step 4: Simplify right side
    193,413.84x = 28,970,277,375.73
  5. Step 5: Solve for x
    x = 28,970,277,375.73/193,413.84
  6. Step 6: Final answer
    x = 149,783.89

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1.5x scale

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.