Home / 141,736.21-195,595.99-78,074.01

Finding the Fourth Proportional to 141,736.21, 195,595.99 and 78,074.01

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Solution

The fourth proportional to 141,736.21, 195,595.99 and 78,074.01 is: 107,742.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,736.21 : 195,595.99 = 78,074.01 : x
  2. Step 2: Convert to fraction form
    141,736.21/195,595.99 = 78,074.01/x
  3. Step 3: Cross multiply
    141,736.21x = 195,595.99 × 78,074.01
  4. Step 4: Simplify right side
    141,736.21x = 15,270,963,084.03
  5. Step 5: Solve for x
    x = 15,270,963,084.03/141,736.21
  6. Step 6: Final answer
    x = 107,742.14

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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.