Home / 209,909.19-289,671.73-114,416.26

Finding the Fourth Proportional to 209,909.19, 289,671.73 and 114,416.26

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Solution

The fourth proportional to 209,909.19, 289,671.73 and 114,416.26 is: 157,892.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,909.19 : 289,671.73 = 114,416.26 : x
  2. Step 2: Convert to fraction form
    209,909.19/289,671.73 = 114,416.26/x
  3. Step 3: Cross multiply
    209,909.19x = 289,671.73 × 114,416.26
  4. Step 4: Simplify right side
    209,909.19x = 33,143,155,974.33
  5. Step 5: Solve for x
    x = 33,143,155,974.33/209,909.19
  6. Step 6: Final answer
    x = 157,892.83

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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.