Home / 194,246.40-268,135.36-151,818.72

Finding the Fourth Proportional to 194,246.40, 268,135.36 and 151,818.72

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Solution

The fourth proportional to 194,246.40, 268,135.36 and 151,818.72 is: 209,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,246.40 : 268,135.36 = 151,818.72 : x
  2. Step 2: Convert to fraction form
    194,246.40/268,135.36 = 151,818.72/x
  3. Step 3: Cross multiply
    194,246.40x = 268,135.36 × 151,818.72
  4. Step 4: Simplify right side
    194,246.40x = 40,707,967,141.94
  5. Step 5: Solve for x
    x = 40,707,967,141.94/194,246.40
  6. Step 6: Final answer
    x = 209,568.71

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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.