Home / 129,157.02-193,735.26-35,662.50

Finding the Fourth Proportional to 129,157.02, 193,735.26 and 35,662.50

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Solution

The fourth proportional to 129,157.02, 193,735.26 and 35,662.50 is: 53,493.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,157.02 : 193,735.26 = 35,662.50 : x
  2. Step 2: Convert to fraction form
    129,157.02/193,735.26 = 35,662.50/x
  3. Step 3: Cross multiply
    129,157.02x = 193,735.26 × 35,662.50
  4. Step 4: Simplify right side
    129,157.02x = 6,909,083,709.75
  5. Step 5: Solve for x
    x = 6,909,083,709.75/129,157.02
  6. Step 6: Final answer
    x = 53,493.68

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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.