Home / 209,673.09-289,353.48-114,179.79

Finding the Fourth Proportional to 209,673.09, 289,353.48 and 114,179.79

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Solution

The fourth proportional to 209,673.09, 289,353.48 and 114,179.79 is: 157,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,673.09 : 289,353.48 = 114,179.79 : x
  2. Step 2: Convert to fraction form
    209,673.09/289,353.48 = 114,179.79/x
  3. Step 3: Cross multiply
    209,673.09x = 289,353.48 × 114,179.79
  4. Step 4: Simplify right side
    209,673.09x = 33,038,319,582.17
  5. Step 5: Solve for x
    x = 33,038,319,582.17/209,673.09
  6. Step 6: Final answer
    x = 157,570.62

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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.