Home / 209,003.16-313,499.26-74,065.26

Finding the Fourth Proportional to 209,003.16, 313,499.26 and 74,065.26

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Solution

The fourth proportional to 209,003.16, 313,499.26 and 74,065.26 is: 111,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,003.16 : 313,499.26 = 74,065.26 : x
  2. Step 2: Convert to fraction form
    209,003.16/313,499.26 = 74,065.26/x
  3. Step 3: Cross multiply
    209,003.16x = 313,499.26 × 74,065.26
  4. Step 4: Simplify right side
    209,003.16x = 23,219,404,201.71
  5. Step 5: Solve for x
    x = 23,219,404,201.71/209,003.16
  6. Step 6: Final answer
    x = 111,095.95

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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.