Home / 141,879.06-195,794.62-78,219.14

Finding the Fourth Proportional to 141,879.06, 195,794.62 and 78,219.14

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Solution

The fourth proportional to 141,879.06, 195,794.62 and 78,219.14 is: 107,943.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,879.06 : 195,794.62 = 78,219.14 : x
  2. Step 2: Convert to fraction form
    141,879.06/195,794.62 = 78,219.14/x
  3. Step 3: Cross multiply
    141,879.06x = 195,794.62 × 78,219.14
  4. Step 4: Simplify right side
    141,879.06x = 15,314,885,618.51
  5. Step 5: Solve for x
    x = 15,314,885,618.51/141,879.06
  6. Step 6: Final answer
    x = 107,943.24

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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.