Home / 141,121.80-194,714.58-79,868.82

Finding the Fourth Proportional to 141,121.80, 194,714.58 and 79,868.82

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Solution

The fourth proportional to 141,121.80, 194,714.58 and 79,868.82 is: 110,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,121.80 : 194,714.58 = 79,868.82 : x
  2. Step 2: Convert to fraction form
    141,121.80/194,714.58 = 79,868.82/x
  3. Step 3: Cross multiply
    141,121.80x = 194,714.58 × 79,868.82
  4. Step 4: Simplify right side
    141,121.80x = 15,551,623,741.40
  5. Step 5: Solve for x
    x = 15,551,623,741.40/141,121.80
  6. Step 6: Final answer
    x = 110,200.01

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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.