Home / 298,218.06-411,544.98-162,253.62

Finding the Fourth Proportional to 298,218.06, 411,544.98 and 162,253.62

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Solution

The fourth proportional to 298,218.06, 411,544.98 and 162,253.62 is: 223,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,218.06 : 411,544.98 = 162,253.62 : x
  2. Step 2: Convert to fraction form
    298,218.06/411,544.98 = 162,253.62/x
  3. Step 3: Cross multiply
    298,218.06x = 411,544.98 × 162,253.62
  4. Step 4: Simplify right side
    298,218.06x = 66,774,662,797.83
  5. Step 5: Solve for x
    x = 66,774,662,797.83/298,218.06
  6. Step 6: Final answer
    x = 223,912.20

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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.