Home / 104,129.07-156,199.65-29,255.05

Finding the Fourth Proportional to 104,129.07, 156,199.65 and 29,255.05

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Solution

The fourth proportional to 104,129.07, 156,199.65 and 29,255.05 is: 43,884.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,129.07 : 156,199.65 = 29,255.05 : x
  2. Step 2: Convert to fraction form
    104,129.07/156,199.65 = 29,255.05/x
  3. Step 3: Cross multiply
    104,129.07x = 156,199.65 × 29,255.05
  4. Step 4: Simplify right side
    104,129.07x = 4,569,628,180.23
  5. Step 5: Solve for x
    x = 4,569,628,180.23/104,129.07
  6. Step 6: Final answer
    x = 43,884.27

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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.