Home / 125,869.17-188,804.25-50,990.73

Finding the Fourth Proportional to 125,869.17, 188,804.25 and 50,990.73

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Solution

The fourth proportional to 125,869.17, 188,804.25 and 50,990.73 is: 76,486.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,869.17 : 188,804.25 = 50,990.73 : x
  2. Step 2: Convert to fraction form
    125,869.17/188,804.25 = 50,990.73/x
  3. Step 3: Cross multiply
    125,869.17x = 188,804.25 × 50,990.73
  4. Step 4: Simplify right side
    125,869.17x = 9,627,266,534.60
  5. Step 5: Solve for x
    x = 9,627,266,534.60/125,869.17
  6. Step 6: Final answer
    x = 76,486.30

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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.