Home / 235,229.08-324,750.66-154,890.04

Finding the Fourth Proportional to 235,229.08, 324,750.66 and 154,890.04

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Solution

The fourth proportional to 235,229.08, 324,750.66 and 154,890.04 is: 213,836.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,229.08 : 324,750.66 = 154,890.04 : x
  2. Step 2: Convert to fraction form
    235,229.08/324,750.66 = 154,890.04/x
  3. Step 3: Cross multiply
    235,229.08x = 324,750.66 × 154,890.04
  4. Step 4: Simplify right side
    235,229.08x = 50,300,642,717.43
  5. Step 5: Solve for x
    x = 50,300,642,717.43/235,229.08
  6. Step 6: Final answer
    x = 213,836.84

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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.