Home / 209,834.60-289,571.76-114,341.28

Finding the Fourth Proportional to 209,834.60, 289,571.76 and 114,341.28

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Solution

The fourth proportional to 209,834.60, 289,571.76 and 114,341.28 is: 157,790.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,834.60 : 289,571.76 = 114,341.28 : x
  2. Step 2: Convert to fraction form
    209,834.60/289,571.76 = 114,341.28/x
  3. Step 3: Cross multiply
    209,834.60x = 289,571.76 × 114,341.28
  4. Step 4: Simplify right side
    209,834.60x = 33,110,005,690.25
  5. Step 5: Solve for x
    x = 33,110,005,690.25/209,834.60
  6. Step 6: Final answer
    x = 157,790.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.