Home / 147,185.37-220,778.19-53,669.25

Finding the Fourth Proportional to 147,185.37, 220,778.19 and 53,669.25

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Solution

The fourth proportional to 147,185.37, 220,778.19 and 53,669.25 is: 80,503.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,185.37 : 220,778.19 = 53,669.25 : x
  2. Step 2: Convert to fraction form
    147,185.37/220,778.19 = 53,669.25/x
  3. Step 3: Cross multiply
    147,185.37x = 220,778.19 × 53,669.25
  4. Step 4: Simplify right side
    147,185.37x = 11,848,999,873.66
  5. Step 5: Solve for x
    x = 11,848,999,873.66/147,185.37
  6. Step 6: Final answer
    x = 80,503.92

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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.