Home / 209,140.38-313,677.63-173,828.43

Finding the Fourth Proportional to 209,140.38, 313,677.63 and 173,828.43

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Solution

The fourth proportional to 209,140.38, 313,677.63 and 173,828.43 is: 260,715.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,140.38 : 313,677.63 = 173,828.43 : x
  2. Step 2: Convert to fraction form
    209,140.38/313,677.63 = 173,828.43/x
  3. Step 3: Cross multiply
    209,140.38x = 313,677.63 × 173,828.43
  4. Step 4: Simplify right side
    209,140.38x = 54,526,089,949.02
  5. Step 5: Solve for x
    x = 54,526,089,949.02/209,140.38
  6. Step 6: Final answer
    x = 260,715.27

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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.