Home / 216,470.07-298,734.89-120,976.94

Finding the Fourth Proportional to 216,470.07, 298,734.89 and 120,976.94

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Solution

The fourth proportional to 216,470.07, 298,734.89 and 120,976.94 is: 166,951.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,470.07 : 298,734.89 = 120,976.94 : x
  2. Step 2: Convert to fraction form
    216,470.07/298,734.89 = 120,976.94/x
  3. Step 3: Cross multiply
    216,470.07x = 298,734.89 × 120,976.94
  4. Step 4: Simplify right side
    216,470.07x = 36,140,033,005.39
  5. Step 5: Solve for x
    x = 36,140,033,005.39/216,470.07
  6. Step 6: Final answer
    x = 166,951.64

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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.