Home / 141,121.98-194,741.22-83,763.81

Finding the Fourth Proportional to 141,121.98, 194,741.22 and 83,763.81

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Solution

The fourth proportional to 141,121.98, 194,741.22 and 83,763.81 is: 115,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,121.98 : 194,741.22 = 83,763.81 : x
  2. Step 2: Convert to fraction form
    141,121.98/194,741.22 = 83,763.81/x
  3. Step 3: Cross multiply
    141,121.98x = 194,741.22 × 83,763.81
  4. Step 4: Simplify right side
    141,121.98x = 16,312,266,551.25
  5. Step 5: Solve for x
    x = 16,312,266,551.25/141,121.98
  6. Step 6: Final answer
    x = 115,589.84

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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.