Home / 272,020.86-407,615.58-114,163.20

Finding the Fourth Proportional to 272,020.86, 407,615.58 and 114,163.20

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Solution

The fourth proportional to 272,020.86, 407,615.58 and 114,163.20 is: 171,070.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,020.86 : 407,615.58 = 114,163.20 : x
  2. Step 2: Convert to fraction form
    272,020.86/407,615.58 = 114,163.20/x
  3. Step 3: Cross multiply
    272,020.86x = 407,615.58 × 114,163.20
  4. Step 4: Simplify right side
    272,020.86x = 46,534,698,982.66
  5. Step 5: Solve for x
    x = 46,534,698,982.66/272,020.86
  6. Step 6: Final answer
    x = 171,070.33

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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.