Home / 186,986.38-258,041.18-102,103.52

Finding the Fourth Proportional to 186,986.38, 258,041.18 and 102,103.52

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Solution

The fourth proportional to 186,986.38, 258,041.18 and 102,103.52 is: 140,902.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,986.38 : 258,041.18 = 102,103.52 : x
  2. Step 2: Convert to fraction form
    186,986.38/258,041.18 = 102,103.52/x
  3. Step 3: Cross multiply
    186,986.38x = 258,041.18 × 102,103.52
  4. Step 4: Simplify right side
    186,986.38x = 26,346,912,782.95
  5. Step 5: Solve for x
    x = 26,346,912,782.95/186,986.38
  6. Step 6: Final answer
    x = 140,902.84

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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.