Home / 301,169.08-451,792.86-90,828.28

Finding the Fourth Proportional to 301,169.08, 451,792.86 and 90,828.28

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Solution

The fourth proportional to 301,169.08, 451,792.86 and 90,828.28 is: 136,254.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,169.08 : 451,792.86 = 90,828.28 : x
  2. Step 2: Convert to fraction form
    301,169.08/451,792.86 = 90,828.28/x
  3. Step 3: Cross multiply
    301,169.08x = 451,792.86 × 90,828.28
  4. Step 4: Simplify right side
    301,169.08x = 41,035,568,390.08
  5. Step 5: Solve for x
    x = 41,035,568,390.08/301,169.08
  6. Step 6: Final answer
    x = 136,254.25

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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.