Home / 263,844.80-396,026.40-130,875.20

Finding the Fourth Proportional to 263,844.80, 396,026.40 and 130,875.20

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Solution

The fourth proportional to 263,844.80, 396,026.40 and 130,875.20 is: 196,441.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,844.80 : 396,026.40 = 130,875.20 : x
  2. Step 2: Convert to fraction form
    263,844.80/396,026.40 = 130,875.20/x
  3. Step 3: Cross multiply
    263,844.80x = 396,026.40 × 130,875.20
  4. Step 4: Simplify right side
    263,844.80x = 51,830,034,305.28
  5. Step 5: Solve for x
    x = 51,830,034,305.28/263,844.80
  6. Step 6: Final answer
    x = 196,441.37

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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.