Home / 149,629.22-206,426.36-104,334.02

Finding the Fourth Proportional to 149,629.22, 206,426.36 and 104,334.02

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Solution

The fourth proportional to 149,629.22, 206,426.36 and 104,334.02 is: 143,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,629.22 : 206,426.36 = 104,334.02 : x
  2. Step 2: Convert to fraction form
    149,629.22/206,426.36 = 104,334.02/x
  3. Step 3: Cross multiply
    149,629.22x = 206,426.36 × 104,334.02
  4. Step 4: Simplify right side
    149,629.22x = 21,537,291,201.47
  5. Step 5: Solve for x
    x = 21,537,291,201.47/149,629.22
  6. Step 6: Final answer
    x = 143,937.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.