Home / 125,449.38-173,263.86-82,620.27

Finding the Fourth Proportional to 125,449.38, 173,263.86 and 82,620.27

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Solution

The fourth proportional to 125,449.38, 173,263.86 and 82,620.27 is: 114,110.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,449.38 : 173,263.86 = 82,620.27 : x
  2. Step 2: Convert to fraction form
    125,449.38/173,263.86 = 82,620.27/x
  3. Step 3: Cross multiply
    125,449.38x = 173,263.86 × 82,620.27
  4. Step 4: Simplify right side
    125,449.38x = 14,315,106,894.44
  5. Step 5: Solve for x
    x = 14,315,106,894.44/125,449.38
  6. Step 6: Final answer
    x = 114,110.62

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1.5x scale

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.