Home / 281,678.28-422,222.17-104,072.01

Finding the Fourth Proportional to 281,678.28, 422,222.17 and 104,072.01

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Solution

The fourth proportional to 281,678.28, 422,222.17 and 104,072.01 is: 155,998.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,678.28 : 422,222.17 = 104,072.01 : x
  2. Step 2: Convert to fraction form
    281,678.28/422,222.17 = 104,072.01/x
  3. Step 3: Cross multiply
    281,678.28x = 422,222.17 × 104,072.01
  4. Step 4: Simplify right side
    281,678.28x = 43,941,508,250.08
  5. Step 5: Solve for x
    x = 43,941,508,250.08/281,678.28
  6. Step 6: Final answer
    x = 155,998.92

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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.