Home / 209,561.26-314,403.14-67,403.34

Finding the Fourth Proportional to 209,561.26, 314,403.14 and 67,403.34

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Solution

The fourth proportional to 209,561.26, 314,403.14 and 67,403.34 is: 101,124.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,561.26 : 314,403.14 = 67,403.34 : x
  2. Step 2: Convert to fraction form
    209,561.26/314,403.14 = 67,403.34/x
  3. Step 3: Cross multiply
    209,561.26x = 314,403.14 × 67,403.34
  4. Step 4: Simplify right side
    209,561.26x = 21,191,821,742.49
  5. Step 5: Solve for x
    x = 21,191,821,742.49/209,561.26
  6. Step 6: Final answer
    x = 101,124.71

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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.