Home / 218,111.08-327,166.14-68,362.80

Finding the Fourth Proportional to 218,111.08, 327,166.14 and 68,362.80

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Solution

The fourth proportional to 218,111.08, 327,166.14 and 68,362.80 is: 102,544.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,111.08 : 327,166.14 = 68,362.80 : x
  2. Step 2: Convert to fraction form
    218,111.08/327,166.14 = 68,362.80/x
  3. Step 3: Cross multiply
    218,111.08x = 327,166.14 × 68,362.80
  4. Step 4: Simplify right side
    218,111.08x = 22,365,993,395.59
  5. Step 5: Solve for x
    x = 22,365,993,395.59/218,111.08
  6. Step 6: Final answer
    x = 102,544.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.