Home / 195,240.48-269,268.12-154,890.28

Finding the Fourth Proportional to 195,240.48, 269,268.12 and 154,890.28

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Solution

The fourth proportional to 195,240.48, 269,268.12 and 154,890.28 is: 213,618.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,240.48 : 269,268.12 = 154,890.28 : x
  2. Step 2: Convert to fraction form
    195,240.48/269,268.12 = 154,890.28/x
  3. Step 3: Cross multiply
    195,240.48x = 269,268.12 × 154,890.28
  4. Step 4: Simplify right side
    195,240.48x = 41,707,014,501.87
  5. Step 5: Solve for x
    x = 41,707,014,501.87/195,240.48
  6. Step 6: Final answer
    x = 213,618.68

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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.