Home / 118,945.55-164,149.60-65,232.53

Finding the Fourth Proportional to 118,945.55, 164,149.60 and 65,232.53

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Solution

The fourth proportional to 118,945.55, 164,149.60 and 65,232.53 is: 90,023.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,945.55 : 164,149.60 = 65,232.53 : x
  2. Step 2: Convert to fraction form
    118,945.55/164,149.60 = 65,232.53/x
  3. Step 3: Cross multiply
    118,945.55x = 164,149.60 × 65,232.53
  4. Step 4: Simplify right side
    118,945.55x = 10,707,893,706.49
  5. Step 5: Solve for x
    x = 10,707,893,706.49/118,945.55
  6. Step 6: Final answer
    x = 90,023.49

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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.