Home / 208,250.90-287,438.61-186,993.14

Finding the Fourth Proportional to 208,250.90, 287,438.61 and 186,993.14

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Solution

The fourth proportional to 208,250.90, 287,438.61 and 186,993.14 is: 258,097.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,250.90 : 287,438.61 = 186,993.14 : x
  2. Step 2: Convert to fraction form
    208,250.90/287,438.61 = 186,993.14/x
  3. Step 3: Cross multiply
    208,250.90x = 287,438.61 × 186,993.14
  4. Step 4: Simplify right side
    208,250.90x = 53,749,048,241.14
  5. Step 5: Solve for x
    x = 53,749,048,241.14/208,250.90
  6. Step 6: Final answer
    x = 258,097.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.