Home / 276,955.05-415,266.43-127,007.52

Finding the Fourth Proportional to 276,955.05, 415,266.43 and 127,007.52

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Solution

The fourth proportional to 276,955.05, 415,266.43 and 127,007.52 is: 190,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,955.05 : 415,266.43 = 127,007.52 : x
  2. Step 2: Convert to fraction form
    276,955.05/415,266.43 = 127,007.52/x
  3. Step 3: Cross multiply
    276,955.05x = 415,266.43 × 127,007.52
  4. Step 4: Simplify right side
    276,955.05x = 52,741,959,413.55
  5. Step 5: Solve for x
    x = 52,741,959,413.55/276,955.05
  6. Step 6: Final answer
    x = 190,435.09

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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.