Home / 481,258.21-721,613.95-196,615.50

Finding the Fourth Proportional to 481,258.21, 721,613.95 and 196,615.50

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Solution

The fourth proportional to 481,258.21, 721,613.95 and 196,615.50 is: 294,811.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,258.21 : 721,613.95 = 196,615.50 : x
  2. Step 2: Convert to fraction form
    481,258.21/721,613.95 = 196,615.50/x
  3. Step 3: Cross multiply
    481,258.21x = 721,613.95 × 196,615.50
  4. Step 4: Simplify right side
    481,258.21x = 141,880,487,586.23
  5. Step 5: Solve for x
    x = 141,880,487,586.23/481,258.21
  6. Step 6: Final answer
    x = 294,811.57

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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.