Home / 168,827.72-253,148.08-69,057.97

Finding the Fourth Proportional to 168,827.72, 253,148.08 and 69,057.97

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Solution

The fourth proportional to 168,827.72, 253,148.08 and 69,057.97 is: 103,548.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,827.72 : 253,148.08 = 69,057.97 : x
  2. Step 2: Convert to fraction form
    168,827.72/253,148.08 = 69,057.97/x
  3. Step 3: Cross multiply
    168,827.72x = 253,148.08 × 69,057.97
  4. Step 4: Simplify right side
    168,827.72x = 17,481,890,903.17
  5. Step 5: Solve for x
    x = 17,481,890,903.17/168,827.72
  6. Step 6: Final answer
    x = 103,548.70

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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.