Home / 125,930.80-188,896.20-124,618.60

Finding the Fourth Proportional to 125,930.80, 188,896.20 and 124,618.60

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Solution

The fourth proportional to 125,930.80, 188,896.20 and 124,618.60 is: 186,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,930.80 : 188,896.20 = 124,618.60 : x
  2. Step 2: Convert to fraction form
    125,930.80/188,896.20 = 124,618.60/x
  3. Step 3: Cross multiply
    125,930.80x = 188,896.20 × 124,618.60
  4. Step 4: Simplify right side
    125,930.80x = 23,539,979,989.32
  5. Step 5: Solve for x
    x = 23,539,979,989.32/125,930.80
  6. Step 6: Final answer
    x = 186,927.90

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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.