Home / 141,736.84-195,597.36-78,074.48

Finding the Fourth Proportional to 141,736.84, 195,597.36 and 78,074.48

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Solution

The fourth proportional to 141,736.84, 195,597.36 and 78,074.48 is: 107,743.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,736.84 : 195,597.36 = 78,074.48 : x
  2. Step 2: Convert to fraction form
    141,736.84/195,597.36 = 78,074.48/x
  3. Step 3: Cross multiply
    141,736.84x = 195,597.36 × 78,074.48
  4. Step 4: Simplify right side
    141,736.84x = 15,271,162,660.37
  5. Step 5: Solve for x
    x = 15,271,162,660.37/141,736.84
  6. Step 6: Final answer
    x = 107,743.07

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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.