Home / 141,759.45-195,636.87-78,097.23

Finding the Fourth Proportional to 141,759.45, 195,636.87 and 78,097.23

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Solution

The fourth proportional to 141,759.45, 195,636.87 and 78,097.23 is: 107,779.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,759.45 : 195,636.87 = 78,097.23 : x
  2. Step 2: Convert to fraction form
    141,759.45/195,636.87 = 78,097.23/x
  3. Step 3: Cross multiply
    141,759.45x = 195,636.87 × 78,097.23
  4. Step 4: Simplify right side
    141,759.45x = 15,278,697,632.87
  5. Step 5: Solve for x
    x = 15,278,697,632.87/141,759.45
  6. Step 6: Final answer
    x = 107,779.04

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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.