Home / 125,675.32-188,511.31-30,906.32

Finding the Fourth Proportional to 125,675.32, 188,511.31 and 30,906.32

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Solution

The fourth proportional to 125,675.32, 188,511.31 and 30,906.32 is: 46,359.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,675.32 : 188,511.31 = 30,906.32 : x
  2. Step 2: Convert to fraction form
    125,675.32/188,511.31 = 30,906.32/x
  3. Step 3: Cross multiply
    125,675.32x = 188,511.31 × 30,906.32
  4. Step 4: Simplify right side
    125,675.32x = 5,826,190,870.48
  5. Step 5: Solve for x
    x = 5,826,190,870.48/125,675.32
  6. Step 6: Final answer
    x = 46,359.07

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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.