Home / 194,661.28-268,632-109,777.72

Finding the Fourth Proportional to 194,661.28, 268,632 and 109,777.72

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Solution

The fourth proportional to 194,661.28, 268,632 and 109,777.72 is: 151,492.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,661.28 : 268,632 = 109,777.72 : x
  2. Step 2: Convert to fraction form
    194,661.28/268,632 = 109,777.72/x
  3. Step 3: Cross multiply
    194,661.28x = 268,632 × 109,777.72
  4. Step 4: Simplify right side
    194,661.28x = 29,489,808,479.04
  5. Step 5: Solve for x
    x = 29,489,808,479.04/194,661.28
  6. Step 6: Final answer
    x = 151,492.93

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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.