Home / 265,629.03-398,325.99-76,046.20

Finding the Fourth Proportional to 265,629.03, 398,325.99 and 76,046.20

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Solution

The fourth proportional to 265,629.03, 398,325.99 and 76,046.20 is: 114,035.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,629.03 : 398,325.99 = 76,046.20 : x
  2. Step 2: Convert to fraction form
    265,629.03/398,325.99 = 76,046.20/x
  3. Step 3: Cross multiply
    265,629.03x = 398,325.99 × 76,046.20
  4. Step 4: Simplify right side
    265,629.03x = 30,291,177,900.74
  5. Step 5: Solve for x
    x = 30,291,177,900.74/265,629.03
  6. Step 6: Final answer
    x = 114,035.65

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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.