Home / 447,271.36-670,885.20-166,766.72

Finding the Fourth Proportional to 447,271.36, 670,885.20 and 166,766.72

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Solution

The fourth proportional to 447,271.36, 670,885.20 and 166,766.72 is: 250,141.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,271.36 : 670,885.20 = 166,766.72 : x
  2. Step 2: Convert to fraction form
    447,271.36/670,885.20 = 166,766.72/x
  3. Step 3: Cross multiply
    447,271.36x = 670,885.20 × 166,766.72
  4. Step 4: Simplify right side
    447,271.36x = 111,881,324,300.54
  5. Step 5: Solve for x
    x = 111,881,324,300.54/447,271.36
  6. Step 6: Final answer
    x = 250,141.94

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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.