Home / 165,619.73-248,424.29-69,607.81

Finding the Fourth Proportional to 165,619.73, 248,424.29 and 69,607.81

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Solution

The fourth proportional to 165,619.73, 248,424.29 and 69,607.81 is: 104,409.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,619.73 : 248,424.29 = 69,607.81 : x
  2. Step 2: Convert to fraction form
    165,619.73/248,424.29 = 69,607.81/x
  3. Step 3: Cross multiply
    165,619.73x = 248,424.29 × 69,607.81
  4. Step 4: Simplify right side
    165,619.73x = 17,292,269,603.84
  5. Step 5: Solve for x
    x = 17,292,269,603.84/165,619.73
  6. Step 6: Final answer
    x = 104,409.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.