Home / 129,817.13-194,714.73-41,057.72

Finding the Fourth Proportional to 129,817.13, 194,714.73 and 41,057.72

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Solution

The fourth proportional to 129,817.13, 194,714.73 and 41,057.72 is: 61,583.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,817.13 : 194,714.73 = 41,057.72 : x
  2. Step 2: Convert to fraction form
    129,817.13/194,714.73 = 41,057.72/x
  3. Step 3: Cross multiply
    129,817.13x = 194,714.73 × 41,057.72
  4. Step 4: Simplify right side
    129,817.13x = 7,994,542,864.22
  5. Step 5: Solve for x
    x = 7,994,542,864.22/129,817.13
  6. Step 6: Final answer
    x = 61,583.11

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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.