Home / 141,276.70-194,849.09-92,928.28

Finding the Fourth Proportional to 141,276.70, 194,849.09 and 92,928.28

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Solution

The fourth proportional to 141,276.70, 194,849.09 and 92,928.28 is: 128,166.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,276.70 : 194,849.09 = 92,928.28 : x
  2. Step 2: Convert to fraction form
    141,276.70/194,849.09 = 92,928.28/x
  3. Step 3: Cross multiply
    141,276.70x = 194,849.09 × 92,928.28
  4. Step 4: Simplify right side
    141,276.70x = 18,106,990,793.27
  5. Step 5: Solve for x
    x = 18,106,990,793.27/141,276.70
  6. Step 6: Final answer
    x = 128,166.86

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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.