Home / 125,500.35-188,249.31-30,730.98

Finding the Fourth Proportional to 125,500.35, 188,249.31 and 30,730.98

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Solution

The fourth proportional to 125,500.35, 188,249.31 and 30,730.98 is: 46,096.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,500.35 : 188,249.31 = 30,730.98 : x
  2. Step 2: Convert to fraction form
    125,500.35/188,249.31 = 30,730.98/x
  3. Step 3: Cross multiply
    125,500.35x = 188,249.31 × 30,730.98
  4. Step 4: Simplify right side
    125,500.35x = 5,785,085,780.62
  5. Step 5: Solve for x
    x = 5,785,085,780.62/125,500.35
  6. Step 6: Final answer
    x = 46,096.17

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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.