Home / 141,165.14-194,807.04-76,635.68

Finding the Fourth Proportional to 141,165.14, 194,807.04 and 76,635.68

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Solution

The fourth proportional to 141,165.14, 194,807.04 and 76,635.68 is: 105,756.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,165.14 : 194,807.04 = 76,635.68 : x
  2. Step 2: Convert to fraction form
    141,165.14/194,807.04 = 76,635.68/x
  3. Step 3: Cross multiply
    141,165.14x = 194,807.04 × 76,635.68
  4. Step 4: Simplify right side
    141,165.14x = 14,929,169,979.19
  5. Step 5: Solve for x
    x = 14,929,169,979.19/141,165.14
  6. Step 6: Final answer
    x = 105,756.78

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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.