Home / 193,636.73-267,205.75-111,958.81

Finding the Fourth Proportional to 193,636.73, 267,205.75 and 111,958.81

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Solution

The fourth proportional to 193,636.73, 267,205.75 and 111,958.81 is: 154,495.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,636.73 : 267,205.75 = 111,958.81 : x
  2. Step 2: Convert to fraction form
    193,636.73/267,205.75 = 111,958.81/x
  3. Step 3: Cross multiply
    193,636.73x = 267,205.75 × 111,958.81
  4. Step 4: Simplify right side
    193,636.73x = 29,916,037,795.16
  5. Step 5: Solve for x
    x = 29,916,037,795.16/193,636.73
  6. Step 6: Final answer
    x = 154,495.68

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1.5x scale

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.