Home / 301,040.12-451,244.07-101,291.15

Finding the Fourth Proportional to 301,040.12, 451,244.07 and 101,291.15

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Solution

The fourth proportional to 301,040.12, 451,244.07 and 101,291.15 is: 151,830.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,040.12 : 451,244.07 = 101,291.15 : x
  2. Step 2: Convert to fraction form
    301,040.12/451,244.07 = 101,291.15/x
  3. Step 3: Cross multiply
    301,040.12x = 451,244.07 × 101,291.15
  4. Step 4: Simplify right side
    301,040.12x = 45,707,028,524.76
  5. Step 5: Solve for x
    x = 45,707,028,524.76/301,040.12
  6. Step 6: Final answer
    x = 151,830.36

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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.