Home / 209,829.86-289,564.76-114,336.33

Finding the Fourth Proportional to 209,829.86, 289,564.76 and 114,336.33

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Solution

The fourth proportional to 209,829.86, 289,564.76 and 114,336.33 is: 157,783.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,829.86 : 289,564.76 = 114,336.33 : x
  2. Step 2: Convert to fraction form
    209,829.86/289,564.76 = 114,336.33/x
  3. Step 3: Cross multiply
    209,829.86x = 289,564.76 × 114,336.33
  4. Step 4: Simplify right side
    209,829.86x = 33,107,771,384.05
  5. Step 5: Solve for x
    x = 33,107,771,384.05/209,829.86
  6. Step 6: Final answer
    x = 157,783.89

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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.