Home / 258,170.49-356,236.52-144,971.37

Finding the Fourth Proportional to 258,170.49, 356,236.52 and 144,971.37

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Solution

The fourth proportional to 258,170.49, 356,236.52 and 144,971.37 is: 200,038.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,170.49 : 356,236.52 = 144,971.37 : x
  2. Step 2: Convert to fraction form
    258,170.49/356,236.52 = 144,971.37/x
  3. Step 3: Cross multiply
    258,170.49x = 356,236.52 × 144,971.37
  4. Step 4: Simplify right side
    258,170.49x = 51,644,095,623.58
  5. Step 5: Solve for x
    x = 51,644,095,623.58/258,170.49
  6. Step 6: Final answer
    x = 200,038.72

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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.