Home / 286,321.36-395,094.60-167,158.48

Finding the Fourth Proportional to 286,321.36, 395,094.60 and 167,158.48

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Solution

The fourth proportional to 286,321.36, 395,094.60 and 167,158.48 is: 230,661.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,321.36 : 395,094.60 = 167,158.48 : x
  2. Step 2: Convert to fraction form
    286,321.36/395,094.60 = 167,158.48/x
  3. Step 3: Cross multiply
    286,321.36x = 395,094.60 × 167,158.48
  4. Step 4: Simplify right side
    286,321.36x = 66,043,412,792.21
  5. Step 5: Solve for x
    x = 66,043,412,792.21/286,321.36
  6. Step 6: Final answer
    x = 230,661.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.