Home / 141,231.36-194,898.61-76,700.15

Finding the Fourth Proportional to 141,231.36, 194,898.61 and 76,700.15

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Solution

The fourth proportional to 141,231.36, 194,898.61 and 76,700.15 is: 105,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,231.36 : 194,898.61 = 76,700.15 : x
  2. Step 2: Convert to fraction form
    141,231.36/194,898.61 = 76,700.15/x
  3. Step 3: Cross multiply
    141,231.36x = 194,898.61 × 76,700.15
  4. Step 4: Simplify right side
    141,231.36x = 14,948,751,455.55
  5. Step 5: Solve for x
    x = 14,948,751,455.55/141,231.36
  6. Step 6: Final answer
    x = 105,845.84

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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.