Home / 331,271.60-496,907.40-109,626.80

Finding the Fourth Proportional to 331,271.60, 496,907.40 and 109,626.80

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Solution

The fourth proportional to 331,271.60, 496,907.40 and 109,626.80 is: 164,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,271.60 : 496,907.40 = 109,626.80 : x
  2. Step 2: Convert to fraction form
    331,271.60/496,907.40 = 109,626.80/x
  3. Step 3: Cross multiply
    331,271.60x = 496,907.40 × 109,626.80
  4. Step 4: Simplify right side
    331,271.60x = 54,474,368,158.32
  5. Step 5: Solve for x
    x = 54,474,368,158.32/331,271.60
  6. Step 6: Final answer
    x = 164,440.20

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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.