Home / 209,580.33-289,220.89-114,087.75

Finding the Fourth Proportional to 209,580.33, 289,220.89 and 114,087.75

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Solution

The fourth proportional to 209,580.33, 289,220.89 and 114,087.75 is: 157,441.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,580.33 : 289,220.89 = 114,087.75 : x
  2. Step 2: Convert to fraction form
    209,580.33/289,220.89 = 114,087.75/x
  3. Step 3: Cross multiply
    209,580.33x = 289,220.89 × 114,087.75
  4. Step 4: Simplify right side
    209,580.33x = 32,996,560,593.10
  5. Step 5: Solve for x
    x = 32,996,560,593.10/209,580.33
  6. Step 6: Final answer
    x = 157,441.11

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1.5x scale

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.