Home / 178,769.28-268,266.87-99,935.22

Finding the Fourth Proportional to 178,769.28, 268,266.87 and 99,935.22

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Solution

The fourth proportional to 178,769.28, 268,266.87 and 99,935.22 is: 149,965.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,769.28 : 268,266.87 = 99,935.22 : x
  2. Step 2: Convert to fraction form
    178,769.28/268,266.87 = 99,935.22/x
  3. Step 3: Cross multiply
    178,769.28x = 268,266.87 × 99,935.22
  4. Step 4: Simplify right side
    178,769.28x = 26,809,308,672.16
  5. Step 5: Solve for x
    x = 26,809,308,672.16/178,769.28
  6. Step 6: Final answer
    x = 149,965.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.