Home / 141,238.08-194,898.96-77,578.56

Finding the Fourth Proportional to 141,238.08, 194,898.96 and 77,578.56

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Solution

The fourth proportional to 141,238.08, 194,898.96 and 77,578.56 is: 107,053.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,238.08 : 194,898.96 = 77,578.56 : x
  2. Step 2: Convert to fraction form
    141,238.08/194,898.96 = 77,578.56/x
  3. Step 3: Cross multiply
    141,238.08x = 194,898.96 × 77,578.56
  4. Step 4: Simplify right side
    141,238.08x = 15,119,980,662.30
  5. Step 5: Solve for x
    x = 15,119,980,662.30/141,238.08
  6. Step 6: Final answer
    x = 107,053.15

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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.