Home / 141,174.90-194,735.75-83,776.41

Finding the Fourth Proportional to 141,174.90, 194,735.75 and 83,776.41

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Solution

The fourth proportional to 141,174.90, 194,735.75 and 83,776.41 is: 115,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,174.90 : 194,735.75 = 83,776.41 : x
  2. Step 2: Convert to fraction form
    141,174.90/194,735.75 = 83,776.41/x
  3. Step 3: Cross multiply
    141,174.90x = 194,735.75 × 83,776.41
  4. Step 4: Simplify right side
    141,174.90x = 16,314,261,614.78
  5. Step 5: Solve for x
    x = 16,314,261,614.78/141,174.90
  6. Step 6: Final answer
    x = 115,560.64

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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.