Home / 330,914.24-496,426.08-131,235.68

Finding the Fourth Proportional to 330,914.24, 496,426.08 and 131,235.68

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Solution

The fourth proportional to 330,914.24, 496,426.08 and 131,235.68 is: 196,875.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,914.24 : 496,426.08 = 131,235.68 : x
  2. Step 2: Convert to fraction form
    330,914.24/496,426.08 = 131,235.68/x
  3. Step 3: Cross multiply
    330,914.24x = 496,426.08 × 131,235.68
  4. Step 4: Simplify right side
    330,914.24x = 65,148,814,178.53
  5. Step 5: Solve for x
    x = 65,148,814,178.53/330,914.24
  6. Step 6: Final answer
    x = 196,875.22

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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.