Home / 141,181.35-194,833.05-77,518.59

Finding the Fourth Proportional to 141,181.35, 194,833.05 and 77,518.59

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Solution

The fourth proportional to 141,181.35, 194,833.05 and 77,518.59 is: 106,977.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,181.35 : 194,833.05 = 77,518.59 : x
  2. Step 2: Convert to fraction form
    141,181.35/194,833.05 = 77,518.59/x
  3. Step 3: Cross multiply
    141,181.35x = 194,833.05 × 77,518.59
  4. Step 4: Simplify right side
    141,181.35x = 15,103,183,321.40
  5. Step 5: Solve for x
    x = 15,103,183,321.40/141,181.35
  6. Step 6: Final answer
    x = 106,977.18

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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.