Home / 141,610.40-195,418.62-77,080.94

Finding the Fourth Proportional to 141,610.40, 195,418.62 and 77,080.94

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Solution

The fourth proportional to 141,610.40, 195,418.62 and 77,080.94 is: 106,369.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,610.40 : 195,418.62 = 77,080.94 : x
  2. Step 2: Convert to fraction form
    141,610.40/195,418.62 = 77,080.94/x
  3. Step 3: Cross multiply
    141,610.40x = 195,418.62 × 77,080.94
  4. Step 4: Simplify right side
    141,610.40x = 15,063,050,923.10
  5. Step 5: Solve for x
    x = 15,063,050,923.10/141,610.40
  6. Step 6: Final answer
    x = 106,369.67

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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.