Home / 141,854.44-195,759.15-78,193.63

Finding the Fourth Proportional to 141,854.44, 195,759.15 and 78,193.63

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Solution

The fourth proportional to 141,854.44, 195,759.15 and 78,193.63 is: 107,907.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,854.44 : 195,759.15 = 78,193.63 : x
  2. Step 2: Convert to fraction form
    141,854.44/195,759.15 = 78,193.63/x
  3. Step 3: Cross multiply
    141,854.44x = 195,759.15 × 78,193.63
  4. Step 4: Simplify right side
    141,854.44x = 15,307,118,544.21
  5. Step 5: Solve for x
    x = 15,307,118,544.21/141,854.44
  6. Step 6: Final answer
    x = 107,907.22

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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.