Home / 186,198.36-256,954.86-101,315.94

Finding the Fourth Proportional to 186,198.36, 256,954.86 and 101,315.94

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Solution

The fourth proportional to 186,198.36, 256,954.86 and 101,315.94 is: 139,816.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,198.36 : 256,954.86 = 101,315.94 : x
  2. Step 2: Convert to fraction form
    186,198.36/256,954.86 = 101,315.94/x
  3. Step 3: Cross multiply
    186,198.36x = 256,954.86 × 101,315.94
  4. Step 4: Simplify right side
    186,198.36x = 26,033,623,178.47
  5. Step 5: Solve for x
    x = 26,033,623,178.47/186,198.36
  6. Step 6: Final answer
    x = 139,816.61

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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.