Home / 141,554.25-195,346.26-77,893.43

Finding the Fourth Proportional to 141,554.25, 195,346.26 and 77,893.43

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Solution

The fourth proportional to 141,554.25, 195,346.26 and 77,893.43 is: 107,493.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,554.25 : 195,346.26 = 77,893.43 : x
  2. Step 2: Convert to fraction form
    141,554.25/195,346.26 = 77,893.43/x
  3. Step 3: Cross multiply
    141,554.25x = 195,346.26 × 77,893.43
  4. Step 4: Simplify right side
    141,554.25x = 15,216,189,252.34
  5. Step 5: Solve for x
    x = 15,216,189,252.34/141,554.25
  6. Step 6: Final answer
    x = 107,493.69

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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.