Home / 209,844.86-289,585.40-114,351.39

Finding the Fourth Proportional to 209,844.86, 289,585.40 and 114,351.39

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Solution

The fourth proportional to 209,844.86, 289,585.40 and 114,351.39 is: 157,804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,844.86 : 289,585.40 = 114,351.39 : x
  2. Step 2: Convert to fraction form
    209,844.86/289,585.40 = 114,351.39/x
  3. Step 3: Cross multiply
    209,844.86x = 289,585.40 × 114,351.39
  4. Step 4: Simplify right side
    209,844.86x = 33,114,492,441.95
  5. Step 5: Solve for x
    x = 33,114,492,441.95/209,844.86
  6. Step 6: Final answer
    x = 157,804.64

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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.