Home / 186,829.97-257,831.60-101,951.69

Finding the Fourth Proportional to 186,829.97, 257,831.60 and 101,951.69

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Solution

The fourth proportional to 186,829.97, 257,831.60 and 101,951.69 is: 140,696.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,829.97 : 257,831.60 = 101,951.69 : x
  2. Step 2: Convert to fraction form
    186,829.97/257,831.60 = 101,951.69/x
  3. Step 3: Cross multiply
    186,829.97x = 257,831.60 × 101,951.69
  4. Step 4: Simplify right side
    186,829.97x = 26,286,365,556.49
  5. Step 5: Solve for x
    x = 26,286,365,556.49/186,829.97
  6. Step 6: Final answer
    x = 140,696.73

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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.