Home / 219,785.41-303,310.47-124,290.19

Finding the Fourth Proportional to 219,785.41, 303,310.47 and 124,290.19

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Solution

The fourth proportional to 219,785.41, 303,310.47 and 124,290.19 is: 171,524.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,785.41 : 303,310.47 = 124,290.19 : x
  2. Step 2: Convert to fraction form
    219,785.41/303,310.47 = 124,290.19/x
  3. Step 3: Cross multiply
    219,785.41x = 303,310.47 × 124,290.19
  4. Step 4: Simplify right side
    219,785.41x = 37,698,515,945.29
  5. Step 5: Solve for x
    x = 37,698,515,945.29/219,785.41
  6. Step 6: Final answer
    x = 171,524.20

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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.