Home / 161,448.62-242,192.36-53,381.66

Finding the Fourth Proportional to 161,448.62, 242,192.36 and 53,381.66

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Solution

The fourth proportional to 161,448.62, 242,192.36 and 53,381.66 is: 80,078.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,448.62 : 242,192.36 = 53,381.66 : x
  2. Step 2: Convert to fraction form
    161,448.62/242,192.36 = 53,381.66/x
  3. Step 3: Cross multiply
    161,448.62x = 242,192.36 × 53,381.66
  4. Step 4: Simplify right side
    161,448.62x = 12,928,629,138.61
  5. Step 5: Solve for x
    x = 12,928,629,138.61/161,448.62
  6. Step 6: Final answer
    x = 80,078.91

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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.