Home / 141,853.40-195,751.80-77,321.22

Finding the Fourth Proportional to 141,853.40, 195,751.80 and 77,321.22

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Solution

The fourth proportional to 141,853.40, 195,751.80 and 77,321.22 is: 106,700.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,853.40 : 195,751.80 = 77,321.22 : x
  2. Step 2: Convert to fraction form
    141,853.40/195,751.80 = 77,321.22/x
  3. Step 3: Cross multiply
    141,853.40x = 195,751.80 × 77,321.22
  4. Step 4: Simplify right side
    141,853.40x = 15,135,768,577.70
  5. Step 5: Solve for x
    x = 15,135,768,577.70/141,853.40
  6. Step 6: Final answer
    x = 106,700.07

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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.