Home / 141,865.00-195,775.01-78,205.07

Finding the Fourth Proportional to 141,865.00, 195,775.01 and 78,205.07

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Solution

The fourth proportional to 141,865.00, 195,775.01 and 78,205.07 is: 107,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,865.00 : 195,775.01 = 78,205.07 : x
  2. Step 2: Convert to fraction form
    141,865.00/195,775.01 = 78,205.07/x
  3. Step 3: Cross multiply
    141,865.00x = 195,775.01 × 78,205.07
  4. Step 4: Simplify right side
    141,865.00x = 15,310,599,046.25
  5. Step 5: Solve for x
    x = 15,310,599,046.25/141,865.00
  6. Step 6: Final answer
    x = 107,923.73

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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.