Home / 268,661.20-370,805.45-154,016.83

Finding the Fourth Proportional to 268,661.20, 370,805.45 and 154,016.83

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Solution

The fourth proportional to 268,661.20, 370,805.45 and 154,016.83 is: 212,573.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,661.20 : 370,805.45 = 154,016.83 : x
  2. Step 2: Convert to fraction form
    268,661.20/370,805.45 = 154,016.83/x
  3. Step 3: Cross multiply
    268,661.20x = 370,805.45 × 154,016.83
  4. Step 4: Simplify right side
    268,661.20x = 57,110,279,413.75
  5. Step 5: Solve for x
    x = 57,110,279,413.75/268,661.20
  6. Step 6: Final answer
    x = 212,573.61

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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.