Home / 141,777.70-195,653.25-78,114.94

Finding the Fourth Proportional to 141,777.70, 195,653.25 and 78,114.94

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Solution

The fourth proportional to 141,777.70, 195,653.25 and 78,114.94 is: 107,798.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,777.70 : 195,653.25 = 78,114.94 : x
  2. Step 2: Convert to fraction form
    141,777.70/195,653.25 = 78,114.94/x
  3. Step 3: Cross multiply
    141,777.70x = 195,653.25 × 78,114.94
  4. Step 4: Simplify right side
    141,777.70x = 15,283,441,395.42
  5. Step 5: Solve for x
    x = 15,283,441,395.42/141,777.70
  6. Step 6: Final answer
    x = 107,798.63

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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.