Home / 125,621.14-173,279.43-82,605.58

Finding the Fourth Proportional to 125,621.14, 173,279.43 and 82,605.58

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Solution

The fourth proportional to 125,621.14, 173,279.43 and 82,605.58 is: 113,944.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,621.14 : 173,279.43 = 82,605.58 : x
  2. Step 2: Convert to fraction form
    125,621.14/173,279.43 = 82,605.58/x
  3. Step 3: Cross multiply
    125,621.14x = 173,279.43 × 82,605.58
  4. Step 4: Simplify right side
    125,621.14x = 14,313,847,817.22
  5. Step 5: Solve for x
    x = 14,313,847,817.22/125,621.14
  6. Step 6: Final answer
    x = 113,944.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.