Home / 401,093.82-553,761.09-258,102.36

Finding the Fourth Proportional to 401,093.82, 553,761.09 and 258,102.36

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Solution

The fourth proportional to 401,093.82, 553,761.09 and 258,102.36 is: 356,343.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,093.82 : 553,761.09 = 258,102.36 : x
  2. Step 2: Convert to fraction form
    401,093.82/553,761.09 = 258,102.36/x
  3. Step 3: Cross multiply
    401,093.82x = 553,761.09 × 258,102.36
  4. Step 4: Simplify right side
    401,093.82x = 142,927,044,205.17
  5. Step 5: Solve for x
    x = 142,927,044,205.17/401,093.82
  6. Step 6: Final answer
    x = 356,343.17

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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.