Home / 141,388.25-195,107.54-77,726.03

Finding the Fourth Proportional to 141,388.25, 195,107.54 and 77,726.03

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Solution

The fourth proportional to 141,388.25, 195,107.54 and 77,726.03 is: 107,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,388.25 : 195,107.54 = 77,726.03 : x
  2. Step 2: Convert to fraction form
    141,388.25/195,107.54 = 77,726.03/x
  3. Step 3: Cross multiply
    141,388.25x = 195,107.54 × 77,726.03
  4. Step 4: Simplify right side
    141,388.25x = 15,164,933,143.10
  5. Step 5: Solve for x
    x = 15,164,933,143.10/141,388.25
  6. Step 6: Final answer
    x = 107,257.38

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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.