Home / 169,629.20-254,443.80-103,199.60

Finding the Fourth Proportional to 169,629.20, 254,443.80 and 103,199.60

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Solution

The fourth proportional to 169,629.20, 254,443.80 and 103,199.60 is: 154,799.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,629.20 : 254,443.80 = 103,199.60 : x
  2. Step 2: Convert to fraction form
    169,629.20/254,443.80 = 103,199.60/x
  3. Step 3: Cross multiply
    169,629.20x = 254,443.80 × 103,199.60
  4. Step 4: Simplify right side
    169,629.20x = 26,258,498,382.48
  5. Step 5: Solve for x
    x = 26,258,498,382.48/169,629.20
  6. Step 6: Final answer
    x = 154,799.40

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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.