Home / 268,359.86-370,371.64-173,143.54

Finding the Fourth Proportional to 268,359.86, 370,371.64 and 173,143.54

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Solution

The fourth proportional to 268,359.86, 370,371.64 and 173,143.54 is: 238,960.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,359.86 : 370,371.64 = 173,143.54 : x
  2. Step 2: Convert to fraction form
    268,359.86/370,371.64 = 173,143.54/x
  3. Step 3: Cross multiply
    268,359.86x = 370,371.64 × 173,143.54
  4. Step 4: Simplify right side
    268,359.86x = 64,127,456,865.21
  5. Step 5: Solve for x
    x = 64,127,456,865.21/268,359.86
  6. Step 6: Final answer
    x = 238,960.69

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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.