Home / 149,132.24-205,734.43-88,668.47

Finding the Fourth Proportional to 149,132.24, 205,734.43 and 88,668.47

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Solution

The fourth proportional to 149,132.24, 205,734.43 and 88,668.47 is: 122,322.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,132.24 : 205,734.43 = 88,668.47 : x
  2. Step 2: Convert to fraction form
    149,132.24/205,734.43 = 88,668.47/x
  3. Step 3: Cross multiply
    149,132.24x = 205,734.43 × 88,668.47
  4. Step 4: Simplify right side
    149,132.24x = 18,242,157,759.59
  5. Step 5: Solve for x
    x = 18,242,157,759.59/149,132.24
  6. Step 6: Final answer
    x = 122,322.03

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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.