Home / 209,744.37-289,451.70-114,250.86

Finding the Fourth Proportional to 209,744.37, 289,451.70 and 114,250.86

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Solution

The fourth proportional to 209,744.37, 289,451.70 and 114,250.86 is: 157,668.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,744.37 : 289,451.70 = 114,250.86 : x
  2. Step 2: Convert to fraction form
    209,744.37/289,451.70 = 114,250.86/x
  3. Step 3: Cross multiply
    209,744.37x = 289,451.70 × 114,250.86
  4. Step 4: Simplify right side
    209,744.37x = 33,070,105,653.46
  5. Step 5: Solve for x
    x = 33,070,105,653.46/209,744.37
  6. Step 6: Final answer
    x = 157,668.62

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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.