Home / 141,020.44-194,604.87-77,357.68

Finding the Fourth Proportional to 141,020.44, 194,604.87 and 77,357.68

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Solution

The fourth proportional to 141,020.44, 194,604.87 and 77,357.68 is: 106,751.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,020.44 : 194,604.87 = 77,357.68 : x
  2. Step 2: Convert to fraction form
    141,020.44/194,604.87 = 77,357.68/x
  3. Step 3: Cross multiply
    141,020.44x = 194,604.87 × 77,357.68
  4. Step 4: Simplify right side
    141,020.44x = 15,054,181,259.90
  5. Step 5: Solve for x
    x = 15,054,181,259.90/141,020.44
  6. Step 6: Final answer
    x = 106,751.77

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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.