Home / 194,261.56-268,045.40-108,218.46

Finding the Fourth Proportional to 194,261.56, 268,045.40 and 108,218.46

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Solution

The fourth proportional to 194,261.56, 268,045.40 and 108,218.46 is: 149,321.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,261.56 : 268,045.40 = 108,218.46 : x
  2. Step 2: Convert to fraction form
    194,261.56/268,045.40 = 108,218.46/x
  3. Step 3: Cross multiply
    194,261.56x = 268,045.40 × 108,218.46
  4. Step 4: Simplify right side
    194,261.56x = 29,007,460,398.08
  5. Step 5: Solve for x
    x = 29,007,460,398.08/194,261.56
  6. Step 6: Final answer
    x = 149,321.67

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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.