Home / 274,265.96-378,283.60-193,609.40

Finding the Fourth Proportional to 274,265.96, 378,283.60 and 193,609.40

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Solution

The fourth proportional to 274,265.96, 378,283.60 and 193,609.40 is: 267,037.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,265.96 : 378,283.60 = 193,609.40 : x
  2. Step 2: Convert to fraction form
    274,265.96/378,283.60 = 193,609.40/x
  3. Step 3: Cross multiply
    274,265.96x = 378,283.60 × 193,609.40
  4. Step 4: Simplify right side
    274,265.96x = 73,239,260,825.84
  5. Step 5: Solve for x
    x = 73,239,260,825.84/274,265.96
  6. Step 6: Final answer
    x = 267,037.37

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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.