Home / 351,674.10-485,309.61-190,533.15

Finding the Fourth Proportional to 351,674.10, 485,309.61 and 190,533.15

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Solution

The fourth proportional to 351,674.10, 485,309.61 and 190,533.15 is: 262,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,674.10 : 485,309.61 = 190,533.15 : x
  2. Step 2: Convert to fraction form
    351,674.10/485,309.61 = 190,533.15/x
  3. Step 3: Cross multiply
    351,674.10x = 485,309.61 × 190,533.15
  4. Step 4: Simplify right side
    351,674.10x = 92,467,568,718.57
  5. Step 5: Solve for x
    x = 92,467,568,718.57/351,674.10
  6. Step 6: Final answer
    x = 262,935.40

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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.