Home / 186,121.36-256,845.52-101,238.40

Finding the Fourth Proportional to 186,121.36, 256,845.52 and 101,238.40

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Solution

The fourth proportional to 186,121.36, 256,845.52 and 101,238.40 is: 139,707.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,121.36 : 256,845.52 = 101,238.40 : x
  2. Step 2: Convert to fraction form
    186,121.36/256,845.52 = 101,238.40/x
  3. Step 3: Cross multiply
    186,121.36x = 256,845.52 × 101,238.40
  4. Step 4: Simplify right side
    186,121.36x = 26,002,629,491.97
  5. Step 5: Solve for x
    x = 26,002,629,491.97/186,121.36
  6. Step 6: Final answer
    x = 139,707.93

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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.