Home / 301,145.01-451,115.23-181,135.69

Finding the Fourth Proportional to 301,145.01, 451,115.23 and 181,135.69

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Solution

The fourth proportional to 301,145.01, 451,115.23 and 181,135.69 is: 271,341.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,145.01 : 451,115.23 = 181,135.69 : x
  2. Step 2: Convert to fraction form
    301,145.01/451,115.23 = 181,135.69/x
  3. Step 3: Cross multiply
    301,145.01x = 451,115.23 × 181,135.69
  4. Step 4: Simplify right side
    301,145.01x = 81,713,068,455.56
  5. Step 5: Solve for x
    x = 81,713,068,455.56/301,145.01
  6. Step 6: Final answer
    x = 271,341.27

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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.