Home / 194,433.20-268,317.76-105,009.20

Finding the Fourth Proportional to 194,433.20, 268,317.76 and 105,009.20

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Solution

The fourth proportional to 194,433.20, 268,317.76 and 105,009.20 is: 144,912.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,433.20 : 268,317.76 = 105,009.20 : x
  2. Step 2: Convert to fraction form
    194,433.20/268,317.76 = 105,009.20/x
  3. Step 3: Cross multiply
    194,433.20x = 268,317.76 × 105,009.20
  4. Step 4: Simplify right side
    194,433.20x = 28,175,833,323.39
  5. Step 5: Solve for x
    x = 28,175,833,323.39/194,433.20
  6. Step 6: Final answer
    x = 144,912.67

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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.