Home / 209,446.80-289,037.85-113,954.19

Finding the Fourth Proportional to 209,446.80, 289,037.85 and 113,954.19

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Solution

The fourth proportional to 209,446.80, 289,037.85 and 113,954.19 is: 157,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,446.80 : 289,037.85 = 113,954.19 : x
  2. Step 2: Convert to fraction form
    209,446.80/289,037.85 = 113,954.19/x
  3. Step 3: Cross multiply
    209,446.80x = 289,037.85 × 113,954.19
  4. Step 4: Simplify right side
    209,446.80x = 32,937,074,076.09
  5. Step 5: Solve for x
    x = 32,937,074,076.09/209,446.80
  6. Step 6: Final answer
    x = 157,257.47

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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.