Home / 186,932.25-257,967.57-106,359.78

Finding the Fourth Proportional to 186,932.25, 257,967.57 and 106,359.78

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Solution

The fourth proportional to 186,932.25, 257,967.57 and 106,359.78 is: 146,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,932.25 : 257,967.57 = 106,359.78 : x
  2. Step 2: Convert to fraction form
    186,932.25/257,967.57 = 106,359.78/x
  3. Step 3: Cross multiply
    186,932.25x = 257,967.57 × 106,359.78
  4. Step 4: Simplify right side
    186,932.25x = 27,437,373,992.33
  5. Step 5: Solve for x
    x = 27,437,373,992.33/186,932.25
  6. Step 6: Final answer
    x = 146,777.10

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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.