Home / 331,250.40-496,875.60-109,634.40

Finding the Fourth Proportional to 331,250.40, 496,875.60 and 109,634.40

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Solution

The fourth proportional to 331,250.40, 496,875.60 and 109,634.40 is: 164,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,250.40 : 496,875.60 = 109,634.40 : x
  2. Step 2: Convert to fraction form
    331,250.40/496,875.60 = 109,634.40/x
  3. Step 3: Cross multiply
    331,250.40x = 496,875.60 × 109,634.40
  4. Step 4: Simplify right side
    331,250.40x = 54,474,658,280.64
  5. Step 5: Solve for x
    x = 54,474,658,280.64/331,250.40
  6. Step 6: Final answer
    x = 164,451.60

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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.