Home / 220,840.89-331,303.23-71,070.27

Finding the Fourth Proportional to 220,840.89, 331,303.23 and 71,070.27

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Solution

The fourth proportional to 220,840.89, 331,303.23 and 71,070.27 is: 106,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,840.89 : 331,303.23 = 71,070.27 : x
  2. Step 2: Convert to fraction form
    220,840.89/331,303.23 = 71,070.27/x
  3. Step 3: Cross multiply
    220,840.89x = 331,303.23 × 71,070.27
  4. Step 4: Simplify right side
    220,840.89x = 23,545,810,007.97
  5. Step 5: Solve for x
    x = 23,545,810,007.97/220,840.89
  6. Step 6: Final answer
    x = 106,618.89

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1.5x scale

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.