Home / 197,402.82-296,220.86-72,831.30

Finding the Fourth Proportional to 197,402.82, 296,220.86 and 72,831.30

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Solution

The fourth proportional to 197,402.82, 296,220.86 and 72,831.30 is: 109,289.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,402.82 : 296,220.86 = 72,831.30 : x
  2. Step 2: Convert to fraction form
    197,402.82/296,220.86 = 72,831.30/x
  3. Step 3: Cross multiply
    197,402.82x = 296,220.86 × 72,831.30
  4. Step 4: Simplify right side
    197,402.82x = 21,574,149,956.76
  5. Step 5: Solve for x
    x = 21,574,149,956.76/197,402.82
  6. Step 6: Final answer
    x = 109,289.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.