Home / 209,834.12-289,572.66-114,343.40

Finding the Fourth Proportional to 209,834.12, 289,572.66 and 114,343.40

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Solution

The fourth proportional to 209,834.12, 289,572.66 and 114,343.40 is: 157,794.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,834.12 : 289,572.66 = 114,343.40 : x
  2. Step 2: Convert to fraction form
    209,834.12/289,572.66 = 114,343.40/x
  3. Step 3: Cross multiply
    209,834.12x = 289,572.66 × 114,343.40
  4. Step 4: Simplify right side
    209,834.12x = 33,110,722,491.44
  5. Step 5: Solve for x
    x = 33,110,722,491.44/209,834.12
  6. Step 6: Final answer
    x = 157,794.75

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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.