Home / 197,831.12-296,724.72-55,680.92

Finding the Fourth Proportional to 197,831.12, 296,724.72 and 55,680.92

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Solution

The fourth proportional to 197,831.12, 296,724.72 and 55,680.92 is: 83,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,831.12 : 296,724.72 = 55,680.92 : x
  2. Step 2: Convert to fraction form
    197,831.12/296,724.72 = 55,680.92/x
  3. Step 3: Cross multiply
    197,831.12x = 296,724.72 × 55,680.92
  4. Step 4: Simplify right side
    197,831.12x = 16,521,905,396.34
  5. Step 5: Solve for x
    x = 16,521,905,396.34/197,831.12
  6. Step 6: Final answer
    x = 83,515.20

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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.