Home / 229,655.68-344,640.96-89,415.04

Finding the Fourth Proportional to 229,655.68, 344,640.96 and 89,415.04

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Solution

The fourth proportional to 229,655.68, 344,640.96 and 89,415.04 is: 134,183.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,655.68 : 344,640.96 = 89,415.04 : x
  2. Step 2: Convert to fraction form
    229,655.68/344,640.96 = 89,415.04/x
  3. Step 3: Cross multiply
    229,655.68x = 344,640.96 × 89,415.04
  4. Step 4: Simplify right side
    229,655.68x = 30,816,085,224.04
  5. Step 5: Solve for x
    x = 30,816,085,224.04/229,655.68
  6. Step 6: Final answer
    x = 134,183.86

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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.