Home / 141,167.07-194,787.59-80,727.98

Finding the Fourth Proportional to 141,167.07, 194,787.59 and 80,727.98

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Solution

The fourth proportional to 141,167.07, 194,787.59 and 80,727.98 is: 111,391.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,167.07 : 194,787.59 = 80,727.98 : x
  2. Step 2: Convert to fraction form
    141,167.07/194,787.59 = 80,727.98/x
  3. Step 3: Cross multiply
    141,167.07x = 194,787.59 × 80,727.98
  4. Step 4: Simplify right side
    141,167.07x = 15,724,807,292.19
  5. Step 5: Solve for x
    x = 15,724,807,292.19/141,167.07
  6. Step 6: Final answer
    x = 111,391.47

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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.