Home / 141,182.36-194,834.44-77,519.60

Finding the Fourth Proportional to 141,182.36, 194,834.44 and 77,519.60

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Solution

The fourth proportional to 141,182.36, 194,834.44 and 77,519.60 is: 106,978.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,182.36 : 194,834.44 = 77,519.60 : x
  2. Step 2: Convert to fraction form
    141,182.36/194,834.44 = 77,519.60/x
  3. Step 3: Cross multiply
    141,182.36x = 194,834.44 × 77,519.60
  4. Step 4: Simplify right side
    141,182.36x = 15,103,487,855.02
  5. Step 5: Solve for x
    x = 15,103,487,855.02/141,182.36
  6. Step 6: Final answer
    x = 106,978.58

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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.