Home / 258,451.40-356,610.62-151,000.64

Finding the Fourth Proportional to 258,451.40, 356,610.62 and 151,000.64

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Solution

The fourth proportional to 258,451.40, 356,610.62 and 151,000.64 is: 208,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,451.40 : 356,610.62 = 151,000.64 : x
  2. Step 2: Convert to fraction form
    258,451.40/356,610.62 = 151,000.64/x
  3. Step 3: Cross multiply
    258,451.40x = 356,610.62 × 151,000.64
  4. Step 4: Simplify right side
    258,451.40x = 53,848,431,850.80
  5. Step 5: Solve for x
    x = 53,848,431,850.80/258,451.40
  6. Step 6: Final answer
    x = 208,350.32

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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.