Home / 259,004.37-388,506.54-125,770.44

Finding the Fourth Proportional to 259,004.37, 388,506.54 and 125,770.44

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Solution

The fourth proportional to 259,004.37, 388,506.54 and 125,770.44 is: 188,655.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,004.37 : 388,506.54 = 125,770.44 : x
  2. Step 2: Convert to fraction form
    259,004.37/388,506.54 = 125,770.44/x
  3. Step 3: Cross multiply
    259,004.37x = 388,506.54 × 125,770.44
  4. Step 4: Simplify right side
    259,004.37x = 48,862,638,478.68
  5. Step 5: Solve for x
    x = 48,862,638,478.68/259,004.37
  6. Step 6: Final answer
    x = 188,655.65

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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.