Home / 169,091.10-253,453.59-109,969.20

Finding the Fourth Proportional to 169,091.10, 253,453.59 and 109,969.20

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Solution

The fourth proportional to 169,091.10, 253,453.59 and 109,969.20 is: 164,834.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,091.10 : 253,453.59 = 109,969.20 : x
  2. Step 2: Convert to fraction form
    169,091.10/253,453.59 = 109,969.20/x
  3. Step 3: Cross multiply
    169,091.10x = 253,453.59 × 109,969.20
  4. Step 4: Simplify right side
    169,091.10x = 27,872,088,529.43
  5. Step 5: Solve for x
    x = 27,872,088,529.43/169,091.10
  6. Step 6: Final answer
    x = 164,834.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.