Home / 141,853.48-195,755.06-77,323.28

Finding the Fourth Proportional to 141,853.48, 195,755.06 and 77,323.28

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Solution

The fourth proportional to 141,853.48, 195,755.06 and 77,323.28 is: 106,704.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,853.48 : 195,755.06 = 77,323.28 : x
  2. Step 2: Convert to fraction form
    141,853.48/195,755.06 = 77,323.28/x
  3. Step 3: Cross multiply
    141,853.48x = 195,755.06 × 77,323.28
  4. Step 4: Simplify right side
    141,853.48x = 15,136,422,530.33
  5. Step 5: Solve for x
    x = 15,136,422,530.33/141,853.48
  6. Step 6: Final answer
    x = 106,704.63

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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.