Home / 351,760.16-485,429.42-190,613.79

Finding the Fourth Proportional to 351,760.16, 485,429.42 and 190,613.79

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Solution

The fourth proportional to 351,760.16, 485,429.42 and 190,613.79 is: 263,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,760.16 : 485,429.42 = 190,613.79 : x
  2. Step 2: Convert to fraction form
    351,760.16/485,429.42 = 190,613.79/x
  3. Step 3: Cross multiply
    351,760.16x = 485,429.42 × 190,613.79
  4. Step 4: Simplify right side
    351,760.16x = 92,529,544,450.22
  5. Step 5: Solve for x
    x = 92,529,544,450.22/351,760.16
  6. Step 6: Final answer
    x = 263,047.26

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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.