Home / 291,536.89-402,183.37-170,603.30

Finding the Fourth Proportional to 291,536.89, 402,183.37 and 170,603.30

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Solution

The fourth proportional to 291,536.89, 402,183.37 and 170,603.30 is: 235,352.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,536.89 : 402,183.37 = 170,603.30 : x
  2. Step 2: Convert to fraction form
    291,536.89/402,183.37 = 170,603.30/x
  3. Step 3: Cross multiply
    291,536.89x = 402,183.37 × 170,603.30
  4. Step 4: Simplify right side
    291,536.89x = 68,613,810,127.12
  5. Step 5: Solve for x
    x = 68,613,810,127.12/291,536.89
  6. Step 6: Final answer
    x = 235,352.07

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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.