Home / 186,831.86-257,760.60-143,824.50

Finding the Fourth Proportional to 186,831.86, 257,760.60 and 143,824.50

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Solution

The fourth proportional to 186,831.86, 257,760.60 and 143,824.50 is: 198,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,831.86 : 257,760.60 = 143,824.50 : x
  2. Step 2: Convert to fraction form
    186,831.86/257,760.60 = 143,824.50/x
  3. Step 3: Cross multiply
    186,831.86x = 257,760.60 × 143,824.50
  4. Step 4: Simplify right side
    186,831.86x = 37,072,289,414.70
  5. Step 5: Solve for x
    x = 37,072,289,414.70/186,831.86
  6. Step 6: Final answer
    x = 198,425.95

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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.