Home / 498,857.08-748,091.50-161,816.23

Finding the Fourth Proportional to 498,857.08, 748,091.50 and 161,816.23

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Solution

The fourth proportional to 498,857.08, 748,091.50 and 161,816.23 is: 242,661.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,857.08 : 748,091.50 = 161,816.23 : x
  2. Step 2: Convert to fraction form
    498,857.08/748,091.50 = 161,816.23/x
  3. Step 3: Cross multiply
    498,857.08x = 748,091.50 × 161,816.23
  4. Step 4: Simplify right side
    498,857.08x = 121,053,346,755.62
  5. Step 5: Solve for x
    x = 121,053,346,755.62/498,857.08
  6. Step 6: Final answer
    x = 242,661.38

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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.