Home / 432,005.20-648,202.20-151,723.60

Finding the Fourth Proportional to 432,005.20, 648,202.20 and 151,723.60

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Solution

The fourth proportional to 432,005.20, 648,202.20 and 151,723.60 is: 227,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,005.20 : 648,202.20 = 151,723.60 : x
  2. Step 2: Convert to fraction form
    432,005.20/648,202.20 = 151,723.60/x
  3. Step 3: Cross multiply
    432,005.20x = 648,202.20 × 151,723.60
  4. Step 4: Simplify right side
    432,005.20x = 98,347,571,311.92
  5. Step 5: Solve for x
    x = 98,347,571,311.92/432,005.20
  6. Step 6: Final answer
    x = 227,653.67

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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.