Home / 105,475.36-158,199-35,355.28

Finding the Fourth Proportional to 105,475.36, 158,199 and 35,355.28

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Solution

The fourth proportional to 105,475.36, 158,199 and 35,355.28 is: 53,028.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,475.36 : 158,199 = 35,355.28 : x
  2. Step 2: Convert to fraction form
    105,475.36/158,199 = 35,355.28/x
  3. Step 3: Cross multiply
    105,475.36x = 158,199 × 35,355.28
  4. Step 4: Simplify right side
    105,475.36x = 5,593,169,940.72
  5. Step 5: Solve for x
    x = 5,593,169,940.72/105,475.36
  6. Step 6: Final answer
    x = 53,028.21

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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.