Home / 281,917.23-423,086.03-113,439.02

Finding the Fourth Proportional to 281,917.23, 423,086.03 and 113,439.02

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Solution

The fourth proportional to 281,917.23, 423,086.03 and 113,439.02 is: 170,243.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,917.23 : 423,086.03 = 113,439.02 : x
  2. Step 2: Convert to fraction form
    281,917.23/423,086.03 = 113,439.02/x
  3. Step 3: Cross multiply
    281,917.23x = 423,086.03 × 113,439.02
  4. Step 4: Simplify right side
    281,917.23x = 47,994,461,936.27
  5. Step 5: Solve for x
    x = 47,994,461,936.27/281,917.23
  6. Step 6: Final answer
    x = 170,243.10

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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.