Home / 141,621.11-195,441.22-77,094.53

Finding the Fourth Proportional to 141,621.11, 195,441.22 and 77,094.53

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Solution

The fourth proportional to 141,621.11, 195,441.22 and 77,094.53 is: 106,392.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,621.11 : 195,441.22 = 77,094.53 : x
  2. Step 2: Convert to fraction form
    141,621.11/195,441.22 = 77,094.53/x
  3. Step 3: Cross multiply
    141,621.11x = 195,441.22 × 77,094.53
  4. Step 4: Simplify right side
    141,621.11x = 15,067,448,021.32
  5. Step 5: Solve for x
    x = 15,067,448,021.32/141,621.11
  6. Step 6: Final answer
    x = 106,392.67

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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.