Home / 209,033.16-313,528.38-57,243.74

Finding the Fourth Proportional to 209,033.16, 313,528.38 and 57,243.74

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Solution

The fourth proportional to 209,033.16, 313,528.38 and 57,243.74 is: 85,859.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,033.16 : 313,528.38 = 57,243.74 : x
  2. Step 2: Convert to fraction form
    209,033.16/313,528.38 = 57,243.74/x
  3. Step 3: Cross multiply
    209,033.16x = 313,528.38 × 57,243.74
  4. Step 4: Simplify right side
    209,033.16x = 17,947,535,499.70
  5. Step 5: Solve for x
    x = 17,947,535,499.70/209,033.16
  6. Step 6: Final answer
    x = 85,859.75

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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.