Home / 351,875.26-485,588.55-190,729.81

Finding the Fourth Proportional to 351,875.26, 485,588.55 and 190,729.81

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Solution

The fourth proportional to 351,875.26, 485,588.55 and 190,729.81 is: 263,207.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,875.26 : 485,588.55 = 190,729.81 : x
  2. Step 2: Convert to fraction form
    351,875.26/485,588.55 = 190,729.81/x
  3. Step 3: Cross multiply
    351,875.26x = 485,588.55 × 190,729.81
  4. Step 4: Simplify right side
    351,875.26x = 92,616,211,879.68
  5. Step 5: Solve for x
    x = 92,616,211,879.68/351,875.26
  6. Step 6: Final answer
    x = 263,207.51

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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.