Home / 258,716.19-388,074.39-116,395.26

Finding the Fourth Proportional to 258,716.19, 388,074.39 and 116,395.26

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Solution

The fourth proportional to 258,716.19, 388,074.39 and 116,395.26 is: 174,592.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,716.19 : 388,074.39 = 116,395.26 : x
  2. Step 2: Convert to fraction form
    258,716.19/388,074.39 = 116,395.26/x
  3. Step 3: Cross multiply
    258,716.19x = 388,074.39 × 116,395.26
  4. Step 4: Simplify right side
    258,716.19x = 45,170,019,523.39
  5. Step 5: Solve for x
    x = 45,170,019,523.39/258,716.19
  6. Step 6: Final answer
    x = 174,592.94

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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.