Home / 235,828.88-325,033.80-205,424.72

Finding the Fourth Proportional to 235,828.88, 325,033.80 and 205,424.72

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Solution

The fourth proportional to 235,828.88, 325,033.80 and 205,424.72 is: 283,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,828.88 : 325,033.80 = 205,424.72 : x
  2. Step 2: Convert to fraction form
    235,828.88/325,033.80 = 205,424.72/x
  3. Step 3: Cross multiply
    235,828.88x = 325,033.80 × 205,424.72
  4. Step 4: Simplify right side
    235,828.88x = 66,769,977,355.54
  5. Step 5: Solve for x
    x = 66,769,977,355.54/235,828.88
  6. Step 6: Final answer
    x = 283,128.93

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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.