Home / 209,823.71-289,556.78-114,330.44

Finding the Fourth Proportional to 209,823.71, 289,556.78 and 114,330.44

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Solution

The fourth proportional to 209,823.71, 289,556.78 and 114,330.44 is: 157,776.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,823.71 : 289,556.78 = 114,330.44 : x
  2. Step 2: Convert to fraction form
    209,823.71/289,556.78 = 114,330.44/x
  3. Step 3: Cross multiply
    209,823.71x = 289,556.78 × 114,330.44
  4. Step 4: Simplify right side
    209,823.71x = 33,105,154,214.62
  5. Step 5: Solve for x
    x = 33,105,154,214.62/209,823.71
  6. Step 6: Final answer
    x = 157,776.04

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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.