Home / 141,288.88-194,975.52-76,756.45

Finding the Fourth Proportional to 141,288.88, 194,975.52 and 76,756.45

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Solution

The fourth proportional to 141,288.88, 194,975.52 and 76,756.45 is: 105,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,288.88 : 194,975.52 = 76,756.45 : x
  2. Step 2: Convert to fraction form
    141,288.88/194,975.52 = 76,756.45/x
  3. Step 3: Cross multiply
    141,288.88x = 194,975.52 × 76,756.45
  4. Step 4: Simplify right side
    141,288.88x = 14,965,627,976.83
  5. Step 5: Solve for x
    x = 14,965,627,976.83/141,288.88
  6. Step 6: Final answer
    x = 105,922.19

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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.