Home / 201,650.64-278,268.34-111,004.76

Finding the Fourth Proportional to 201,650.64, 278,268.34 and 111,004.76

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Solution

The fourth proportional to 201,650.64, 278,268.34 and 111,004.76 is: 153,181.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,650.64 : 278,268.34 = 111,004.76 : x
  2. Step 2: Convert to fraction form
    201,650.64/278,268.34 = 111,004.76/x
  3. Step 3: Cross multiply
    201,650.64x = 278,268.34 × 111,004.76
  4. Step 4: Simplify right side
    201,650.64x = 30,889,110,297.30
  5. Step 5: Solve for x
    x = 30,889,110,297.30/201,650.64
  6. Step 6: Final answer
    x = 153,181.32

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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.