Home / 195,148.38-269,206.10-130,620.36

Finding the Fourth Proportional to 195,148.38, 269,206.10 and 130,620.36

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Solution

The fourth proportional to 195,148.38, 269,206.10 and 130,620.36 is: 180,190.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,148.38 : 269,206.10 = 130,620.36 : x
  2. Step 2: Convert to fraction form
    195,148.38/269,206.10 = 130,620.36/x
  3. Step 3: Cross multiply
    195,148.38x = 269,206.10 × 130,620.36
  4. Step 4: Simplify right side
    195,148.38x = 35,163,795,697.06
  5. Step 5: Solve for x
    x = 35,163,795,697.06/195,148.38
  6. Step 6: Final answer
    x = 180,190.05

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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.