Home / 318,936.65-440,157.39-175,722.44

Finding the Fourth Proportional to 318,936.65, 440,157.39 and 175,722.44

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Solution

The fourth proportional to 318,936.65, 440,157.39 and 175,722.44 is: 242,510.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,936.65 : 440,157.39 = 175,722.44 : x
  2. Step 2: Convert to fraction form
    318,936.65/440,157.39 = 175,722.44/x
  3. Step 3: Cross multiply
    318,936.65x = 440,157.39 × 175,722.44
  4. Step 4: Simplify right side
    318,936.65x = 77,345,530,554.83
  5. Step 5: Solve for x
    x = 77,345,530,554.83/318,936.65
  6. Step 6: Final answer
    x = 242,510.64

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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.