Home / 173,654.39-239,413.32-125,215.78

Finding the Fourth Proportional to 173,654.39, 239,413.32 and 125,215.78

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Solution

The fourth proportional to 173,654.39, 239,413.32 and 125,215.78 is: 172,632.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,654.39 : 239,413.32 = 125,215.78 : x
  2. Step 2: Convert to fraction form
    173,654.39/239,413.32 = 125,215.78/x
  3. Step 3: Cross multiply
    173,654.39x = 239,413.32 × 125,215.78
  4. Step 4: Simplify right side
    173,654.39x = 29,978,324,409.12
  5. Step 5: Solve for x
    x = 29,978,324,409.12/173,654.39
  6. Step 6: Final answer
    x = 172,632.12

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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.