Home / 169,109.24-253,676.68-56,790.05

Finding the Fourth Proportional to 169,109.24, 253,676.68 and 56,790.05

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Solution

The fourth proportional to 169,109.24, 253,676.68 and 56,790.05 is: 85,189.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,109.24 : 253,676.68 = 56,790.05 : x
  2. Step 2: Convert to fraction form
    169,109.24/253,676.68 = 56,790.05/x
  3. Step 3: Cross multiply
    169,109.24x = 253,676.68 × 56,790.05
  4. Step 4: Simplify right side
    169,109.24x = 14,406,309,930.68
  5. Step 5: Solve for x
    x = 14,406,309,930.68/169,109.24
  6. Step 6: Final answer
    x = 85,189.37

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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.