Home / 141,274.87-194,970.26-80,864.47

Finding the Fourth Proportional to 141,274.87, 194,970.26 and 80,864.47

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Solution

The fourth proportional to 141,274.87, 194,970.26 and 80,864.47 is: 111,599.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,274.87 : 194,970.26 = 80,864.47 : x
  2. Step 2: Convert to fraction form
    141,274.87/194,970.26 = 80,864.47/x
  3. Step 3: Cross multiply
    141,274.87x = 194,970.26 × 80,864.47
  4. Step 4: Simplify right side
    141,274.87x = 15,766,166,336.34
  5. Step 5: Solve for x
    x = 15,766,166,336.34/141,274.87
  6. Step 6: Final answer
    x = 111,599.23

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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.