Home / 192,832.64-266,109.05-117,381.14

Finding the Fourth Proportional to 192,832.64, 266,109.05 and 117,381.14

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Solution

The fourth proportional to 192,832.64, 266,109.05 and 117,381.14 is: 161,985.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,832.64 : 266,109.05 = 117,381.14 : x
  2. Step 2: Convert to fraction form
    192,832.64/266,109.05 = 117,381.14/x
  3. Step 3: Cross multiply
    192,832.64x = 266,109.05 × 117,381.14
  4. Step 4: Simplify right side
    192,832.64x = 31,236,183,066.41
  5. Step 5: Solve for x
    x = 31,236,183,066.41/192,832.64
  6. Step 6: Final answer
    x = 161,985.97

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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.