Home / 194,719.73-268,713.35-107,504.90

Finding the Fourth Proportional to 194,719.73, 268,713.35 and 107,504.90

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Solution

The fourth proportional to 194,719.73, 268,713.35 and 107,504.90 is: 148,356.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,719.73 : 268,713.35 = 107,504.90 : x
  2. Step 2: Convert to fraction form
    194,719.73/268,713.35 = 107,504.90/x
  3. Step 3: Cross multiply
    194,719.73x = 268,713.35 × 107,504.90
  4. Step 4: Simplify right side
    194,719.73x = 28,887,999,939.32
  5. Step 5: Solve for x
    x = 28,887,999,939.32/194,719.73
  6. Step 6: Final answer
    x = 148,356.82

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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.