Home / 325,919.24-488,881.04-126,261.80

Finding the Fourth Proportional to 325,919.24, 488,881.04 and 126,261.80

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Solution

The fourth proportional to 325,919.24, 488,881.04 and 126,261.80 is: 189,393.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,919.24 : 488,881.04 = 126,261.80 : x
  2. Step 2: Convert to fraction form
    325,919.24/488,881.04 = 126,261.80/x
  3. Step 3: Cross multiply
    325,919.24x = 488,881.04 × 126,261.80
  4. Step 4: Simplify right side
    325,919.24x = 61,727,000,096.27
  5. Step 5: Solve for x
    x = 61,727,000,096.27/325,919.24
  6. Step 6: Final answer
    x = 189,393.54

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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.