Home / 216,216.66-324,524.28-109,675.38

Finding the Fourth Proportional to 216,216.66, 324,524.28 and 109,675.38

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Solution

The fourth proportional to 216,216.66, 324,524.28 and 109,675.38 is: 164,614.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,216.66 : 324,524.28 = 109,675.38 : x
  2. Step 2: Convert to fraction form
    216,216.66/324,524.28 = 109,675.38/x
  3. Step 3: Cross multiply
    216,216.66x = 324,524.28 × 109,675.38
  4. Step 4: Simplify right side
    216,216.66x = 35,592,323,728.23
  5. Step 5: Solve for x
    x = 35,592,323,728.23/216,216.66
  6. Step 6: Final answer
    x = 164,614.16

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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.