Home / 118,944.55-164,148.22-65,231.53

Finding the Fourth Proportional to 118,944.55, 164,148.22 and 65,231.53

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Solution

The fourth proportional to 118,944.55, 164,148.22 and 65,231.53 is: 90,022.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,944.55 : 164,148.22 = 65,231.53 : x
  2. Step 2: Convert to fraction form
    118,944.55/164,148.22 = 65,231.53/x
  3. Step 3: Cross multiply
    118,944.55x = 164,148.22 × 65,231.53
  4. Step 4: Simplify right side
    118,944.55x = 10,707,639,208.55
  5. Step 5: Solve for x
    x = 10,707,639,208.55/118,944.55
  6. Step 6: Final answer
    x = 90,022.11

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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.