Home / 161,983.36-242,992.32-68,498.56

Finding the Fourth Proportional to 161,983.36, 242,992.32 and 68,498.56

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Solution

The fourth proportional to 161,983.36, 242,992.32 and 68,498.56 is: 102,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,983.36 : 242,992.32 = 68,498.56 : x
  2. Step 2: Convert to fraction form
    161,983.36/242,992.32 = 68,498.56/x
  3. Step 3: Cross multiply
    161,983.36x = 242,992.32 × 68,498.56
  4. Step 4: Simplify right side
    161,983.36x = 16,644,624,011.06
  5. Step 5: Solve for x
    x = 16,644,624,011.06/161,983.36
  6. Step 6: Final answer
    x = 102,755.15

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1.5x scale

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.