Home / 141,229.78-194,815.74-84,608.35

Finding the Fourth Proportional to 141,229.78, 194,815.74 and 84,608.35

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Solution

The fourth proportional to 141,229.78, 194,815.74 and 84,608.35 is: 116,710.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,229.78 : 194,815.74 = 84,608.35 : x
  2. Step 2: Convert to fraction form
    141,229.78/194,815.74 = 84,608.35/x
  3. Step 3: Cross multiply
    141,229.78x = 194,815.74 × 84,608.35
  4. Step 4: Simplify right side
    141,229.78x = 16,483,038,315.43
  5. Step 5: Solve for x
    x = 16,483,038,315.43/141,229.78
  6. Step 6: Final answer
    x = 116,710.78

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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.