Home / 141,873.54-195,794.06-78,211.05

Finding the Fourth Proportional to 141,873.54, 195,794.06 and 78,211.05

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Solution

The fourth proportional to 141,873.54, 195,794.06 and 78,211.05 is: 107,935.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,873.54 : 195,794.06 = 78,211.05 : x
  2. Step 2: Convert to fraction form
    141,873.54/195,794.06 = 78,211.05/x
  3. Step 3: Cross multiply
    141,873.54x = 195,794.06 × 78,211.05
  4. Step 4: Simplify right side
    141,873.54x = 15,313,258,625.31
  5. Step 5: Solve for x
    x = 15,313,258,625.31/141,873.54
  6. Step 6: Final answer
    x = 107,935.97

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1.5x scale

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.