Home / 159,143.94-238,718.75-127,406.52

Finding the Fourth Proportional to 159,143.94, 238,718.75 and 127,406.52

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Solution

The fourth proportional to 159,143.94, 238,718.75 and 127,406.52 is: 191,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,143.94 : 238,718.75 = 127,406.52 : x
  2. Step 2: Convert to fraction form
    159,143.94/238,718.75 = 127,406.52/x
  3. Step 3: Cross multiply
    159,143.94x = 238,718.75 × 127,406.52
  4. Step 4: Simplify right side
    159,143.94x = 30,414,324,559.22
  5. Step 5: Solve for x
    x = 30,414,324,559.22/159,143.94
  6. Step 6: Final answer
    x = 191,112.05

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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.