Home / 330,790.51-496,349.70-131,106.43

Finding the Fourth Proportional to 330,790.51, 496,349.70 and 131,106.43

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Solution

The fourth proportional to 330,790.51, 496,349.70 and 131,106.43 is: 196,724.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,790.51 : 496,349.70 = 131,106.43 : x
  2. Step 2: Convert to fraction form
    330,790.51/496,349.70 = 131,106.43/x
  3. Step 3: Cross multiply
    330,790.51x = 496,349.70 × 131,106.43
  4. Step 4: Simplify right side
    330,790.51x = 65,074,637,198.57
  5. Step 5: Solve for x
    x = 65,074,637,198.57/330,790.51
  6. Step 6: Final answer
    x = 196,724.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.