Home / 268,078.10-401,504.52-127,935.14

Finding the Fourth Proportional to 268,078.10, 401,504.52 and 127,935.14

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Solution

The fourth proportional to 268,078.10, 401,504.52 and 127,935.14 is: 191,610.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,078.10 : 401,504.52 = 127,935.14 : x
  2. Step 2: Convert to fraction form
    268,078.10/401,504.52 = 127,935.14/x
  3. Step 3: Cross multiply
    268,078.10x = 401,504.52 × 127,935.14
  4. Step 4: Simplify right side
    268,078.10x = 51,366,536,976.83
  5. Step 5: Solve for x
    x = 51,366,536,976.83/268,078.10
  6. Step 6: Final answer
    x = 191,610.34

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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.