Home / 109,852.82-164,778.03-83,361.51

Finding the Fourth Proportional to 109,852.82, 164,778.03 and 83,361.51

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Solution

The fourth proportional to 109,852.82, 164,778.03 and 83,361.51 is: 125,041.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,852.82 : 164,778.03 = 83,361.51 : x
  2. Step 2: Convert to fraction form
    109,852.82/164,778.03 = 83,361.51/x
  3. Step 3: Cross multiply
    109,852.82x = 164,778.03 × 83,361.51
  4. Step 4: Simplify right side
    109,852.82x = 13,736,145,395.63
  5. Step 5: Solve for x
    x = 13,736,145,395.63/109,852.82
  6. Step 6: Final answer
    x = 125,041.35

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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.