Home / 104,650.10-156,975.15-73,157.30

Finding the Fourth Proportional to 104,650.10, 156,975.15 and 73,157.30

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Solution

The fourth proportional to 104,650.10, 156,975.15 and 73,157.30 is: 109,735.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,650.10 : 156,975.15 = 73,157.30 : x
  2. Step 2: Convert to fraction form
    104,650.10/156,975.15 = 73,157.30/x
  3. Step 3: Cross multiply
    104,650.10x = 156,975.15 × 73,157.30
  4. Step 4: Simplify right side
    104,650.10x = 11,483,878,141.10
  5. Step 5: Solve for x
    x = 11,483,878,141.10/104,650.10
  6. Step 6: Final answer
    x = 109,735.95

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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.