Home / 209,453.30-289,036.91-113,960.37

Finding the Fourth Proportional to 209,453.30, 289,036.91 and 113,960.37

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Solution

The fourth proportional to 209,453.30, 289,036.91 and 113,960.37 is: 157,260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,453.30 : 289,036.91 = 113,960.37 : x
  2. Step 2: Convert to fraction form
    209,453.30/289,036.91 = 113,960.37/x
  3. Step 3: Cross multiply
    209,453.30x = 289,036.91 × 113,960.37
  4. Step 4: Simplify right side
    209,453.30x = 32,938,753,207.26
  5. Step 5: Solve for x
    x = 32,938,753,207.26/209,453.30
  6. Step 6: Final answer
    x = 157,260.61

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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.