Home / 113,883.28-170,617.56-111,394.96

Finding the Fourth Proportional to 113,883.28, 170,617.56 and 111,394.96

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Solution

The fourth proportional to 113,883.28, 170,617.56 and 111,394.96 is: 166,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,883.28 : 170,617.56 = 111,394.96 : x
  2. Step 2: Convert to fraction form
    113,883.28/170,617.56 = 111,394.96/x
  3. Step 3: Cross multiply
    113,883.28x = 170,617.56 × 111,394.96
  4. Step 4: Simplify right side
    113,883.28x = 19,005,936,271.50
  5. Step 5: Solve for x
    x = 19,005,936,271.50/113,883.28
  6. Step 6: Final answer
    x = 166,889.61

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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.