Home / 113,181.57-169,666.85-38,249.31

Finding the Fourth Proportional to 113,181.57, 169,666.85 and 38,249.31

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Solution

The fourth proportional to 113,181.57, 169,666.85 and 38,249.31 is: 57,338.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,181.57 : 169,666.85 = 38,249.31 : x
  2. Step 2: Convert to fraction form
    113,181.57/169,666.85 = 38,249.31/x
  3. Step 3: Cross multiply
    113,181.57x = 169,666.85 × 38,249.31
  4. Step 4: Simplify right side
    113,181.57x = 6,489,640,674.25
  5. Step 5: Solve for x
    x = 6,489,640,674.25/113,181.57
  6. Step 6: Final answer
    x = 57,338.32

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1.5x scale

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.