Home / 209,713.26-314,705.16-76,582.38

Finding the Fourth Proportional to 209,713.26, 314,705.16 and 76,582.38

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Solution

The fourth proportional to 209,713.26, 314,705.16 and 76,582.38 is: 114,922.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,713.26 : 314,705.16 = 76,582.38 : x
  2. Step 2: Convert to fraction form
    209,713.26/314,705.16 = 76,582.38/x
  3. Step 3: Cross multiply
    209,713.26x = 314,705.16 × 76,582.38
  4. Step 4: Simplify right side
    209,713.26x = 24,100,870,151.08
  5. Step 5: Solve for x
    x = 24,100,870,151.08/209,713.26
  6. Step 6: Final answer
    x = 114,922.97

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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.