Home / 291,150.96-401,796.16-163,831.04

Finding the Fourth Proportional to 291,150.96, 401,796.16 and 163,831.04

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Solution

The fourth proportional to 291,150.96, 401,796.16 and 163,831.04 is: 226,091.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,150.96 : 401,796.16 = 163,831.04 : x
  2. Step 2: Convert to fraction form
    291,150.96/401,796.16 = 163,831.04/x
  3. Step 3: Cross multiply
    291,150.96x = 401,796.16 × 163,831.04
  4. Step 4: Simplify right side
    291,150.96x = 65,826,682,760.81
  5. Step 5: Solve for x
    x = 65,826,682,760.81/291,150.96
  6. Step 6: Final answer
    x = 226,091.24

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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.