Home / 278,160.57-417,236.54-111,944.25

Finding the Fourth Proportional to 278,160.57, 417,236.54 and 111,944.25

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Solution

The fourth proportional to 278,160.57, 417,236.54 and 111,944.25 is: 167,914.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,160.57 : 417,236.54 = 111,944.25 : x
  2. Step 2: Convert to fraction form
    278,160.57/417,236.54 = 111,944.25/x
  3. Step 3: Cross multiply
    278,160.57x = 417,236.54 × 111,944.25
  4. Step 4: Simplify right side
    278,160.57x = 46,707,230,983.17
  5. Step 5: Solve for x
    x = 46,707,230,983.17/278,160.57
  6. Step 6: Final answer
    x = 167,914.64

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1.5x scale

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.