Home / 168,835.72-253,160.08-69,065.96

Finding the Fourth Proportional to 168,835.72, 253,160.08 and 69,065.96

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Solution

The fourth proportional to 168,835.72, 253,160.08 and 69,065.96 is: 103,560.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,835.72 : 253,160.08 = 69,065.96 : x
  2. Step 2: Convert to fraction form
    168,835.72/253,160.08 = 69,065.96/x
  3. Step 3: Cross multiply
    168,835.72x = 253,160.08 × 69,065.96
  4. Step 4: Simplify right side
    168,835.72x = 17,484,743,958.88
  5. Step 5: Solve for x
    x = 17,484,743,958.88/168,835.72
  6. Step 6: Final answer
    x = 103,560.69

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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.