Home / 238,713.54-329,413.41-131,288.10

Finding the Fourth Proportional to 238,713.54, 329,413.41 and 131,288.10

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Solution

The fourth proportional to 238,713.54, 329,413.41 and 131,288.10 is: 181,171.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,713.54 : 329,413.41 = 131,288.10 : x
  2. Step 2: Convert to fraction form
    238,713.54/329,413.41 = 131,288.10/x
  3. Step 3: Cross multiply
    238,713.54x = 329,413.41 × 131,288.10
  4. Step 4: Simplify right side
    238,713.54x = 43,248,060,713.42
  5. Step 5: Solve for x
    x = 43,248,060,713.42/238,713.54
  6. Step 6: Final answer
    x = 181,171.38

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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.