Home / 149,720.20-224,321.10-97,102.60

Finding the Fourth Proportional to 149,720.20, 224,321.10 and 97,102.60

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Solution

The fourth proportional to 149,720.20, 224,321.10 and 97,102.60 is: 145,485.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,720.20 : 224,321.10 = 97,102.60 : x
  2. Step 2: Convert to fraction form
    149,720.20/224,321.10 = 97,102.60/x
  3. Step 3: Cross multiply
    149,720.20x = 224,321.10 × 97,102.60
  4. Step 4: Simplify right side
    149,720.20x = 21,782,162,044.86
  5. Step 5: Solve for x
    x = 21,782,162,044.86/149,720.20
  6. Step 6: Final answer
    x = 145,485.79

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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.