Home / 125,996.25-188,989.64-31,226.74

Finding the Fourth Proportional to 125,996.25, 188,989.64 and 31,226.74

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Solution

The fourth proportional to 125,996.25, 188,989.64 and 31,226.74 is: 46,838.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,996.25 : 188,989.64 = 31,226.74 : x
  2. Step 2: Convert to fraction form
    125,996.25/188,989.64 = 31,226.74/x
  3. Step 3: Cross multiply
    125,996.25x = 188,989.64 × 31,226.74
  4. Step 4: Simplify right side
    125,996.25x = 5,901,530,350.97
  5. Step 5: Solve for x
    x = 5,901,530,350.97/125,996.25
  6. Step 6: Final answer
    x = 46,838.94

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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.