Home / 194,455.11-268,369.71-122,831.67

Finding the Fourth Proportional to 194,455.11, 268,369.71 and 122,831.67

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Solution

The fourth proportional to 194,455.11, 268,369.71 and 122,831.67 is: 169,521.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,455.11 : 268,369.71 = 122,831.67 : x
  2. Step 2: Convert to fraction form
    194,455.11/268,369.71 = 122,831.67/x
  3. Step 3: Cross multiply
    194,455.11x = 268,369.71 × 122,831.67
  4. Step 4: Simplify right side
    194,455.11x = 32,964,299,656.72
  5. Step 5: Solve for x
    x = 32,964,299,656.72/194,455.11
  6. Step 6: Final answer
    x = 169,521.39

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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.