Home / 161,081.27-241,704.81-66,381.42

Finding the Fourth Proportional to 161,081.27, 241,704.81 and 66,381.42

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Solution

The fourth proportional to 161,081.27, 241,704.81 and 66,381.42 is: 99,606.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,081.27 : 241,704.81 = 66,381.42 : x
  2. Step 2: Convert to fraction form
    161,081.27/241,704.81 = 66,381.42/x
  3. Step 3: Cross multiply
    161,081.27x = 241,704.81 × 66,381.42
  4. Step 4: Simplify right side
    161,081.27x = 16,044,708,508.63
  5. Step 5: Solve for x
    x = 16,044,708,508.63/161,081.27
  6. Step 6: Final answer
    x = 99,606.30

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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.