Home / 291,266.13-401,921.66-162,194.85

Finding the Fourth Proportional to 291,266.13, 401,921.66 and 162,194.85

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Solution

The fourth proportional to 291,266.13, 401,921.66 and 162,194.85 is: 223,814.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,266.13 : 401,921.66 = 162,194.85 : x
  2. Step 2: Convert to fraction form
    291,266.13/401,921.66 = 162,194.85/x
  3. Step 3: Cross multiply
    291,266.13x = 401,921.66 × 162,194.85
  4. Step 4: Simplify right side
    291,266.13x = 65,189,623,355.45
  5. Step 5: Solve for x
    x = 65,189,623,355.45/291,266.13
  6. Step 6: Final answer
    x = 223,814.64

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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.