Home / 209,693.09-289,374.45-114,201.38

Finding the Fourth Proportional to 209,693.09, 289,374.45 and 114,201.38

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Solution

The fourth proportional to 209,693.09, 289,374.45 and 114,201.38 is: 157,596.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,693.09 : 289,374.45 = 114,201.38 : x
  2. Step 2: Convert to fraction form
    209,693.09/289,374.45 = 114,201.38/x
  3. Step 3: Cross multiply
    209,693.09x = 289,374.45 × 114,201.38
  4. Step 4: Simplify right side
    209,693.09x = 33,046,961,526.74
  5. Step 5: Solve for x
    x = 33,046,961,526.74/209,693.09
  6. Step 6: Final answer
    x = 157,596.81

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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.