Home / 274,629.60-411,944.40-134,661.60

Finding the Fourth Proportional to 274,629.60, 411,944.40 and 134,661.60

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Solution

The fourth proportional to 274,629.60, 411,944.40 and 134,661.60 is: 201,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,629.60 : 411,944.40 = 134,661.60 : x
  2. Step 2: Convert to fraction form
    274,629.60/411,944.40 = 134,661.60/x
  3. Step 3: Cross multiply
    274,629.60x = 411,944.40 × 134,661.60
  4. Step 4: Simplify right side
    274,629.60x = 55,473,092,015.04
  5. Step 5: Solve for x
    x = 55,473,092,015.04/274,629.60
  6. Step 6: Final answer
    x = 201,992.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.