Home / 141,254.89-194,845.40-83,855.25

Finding the Fourth Proportional to 141,254.89, 194,845.40 and 83,855.25

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Solution

The fourth proportional to 141,254.89, 194,845.40 and 83,855.25 is: 115,668.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,254.89 : 194,845.40 = 83,855.25 : x
  2. Step 2: Convert to fraction form
    141,254.89/194,845.40 = 83,855.25/x
  3. Step 3: Cross multiply
    141,254.89x = 194,845.40 × 83,855.25
  4. Step 4: Simplify right side
    141,254.89x = 16,338,809,623.53
  5. Step 5: Solve for x
    x = 16,338,809,623.53/141,254.89
  6. Step 6: Final answer
    x = 115,668.99

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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.