Home / 199,831.95-275,768.16-107,951.27

Finding the Fourth Proportional to 199,831.95, 275,768.16 and 107,951.27

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Solution

The fourth proportional to 199,831.95, 275,768.16 and 107,951.27 is: 148,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,831.95 : 275,768.16 = 107,951.27 : x
  2. Step 2: Convert to fraction form
    199,831.95/275,768.16 = 107,951.27/x
  3. Step 3: Cross multiply
    199,831.95x = 275,768.16 × 107,951.27
  4. Step 4: Simplify right side
    199,831.95x = 29,769,523,312.24
  5. Step 5: Solve for x
    x = 29,769,523,312.24/199,831.95
  6. Step 6: Final answer
    x = 148,972.79

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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.