Home / 186,865.96-257,881.04-106,291.42

Finding the Fourth Proportional to 186,865.96, 257,881.04 and 106,291.42

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Solution

The fourth proportional to 186,865.96, 257,881.04 and 106,291.42 is: 146,685.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,865.96 : 257,881.04 = 106,291.42 : x
  2. Step 2: Convert to fraction form
    186,865.96/257,881.04 = 106,291.42/x
  3. Step 3: Cross multiply
    186,865.96x = 257,881.04 × 106,291.42
  4. Step 4: Simplify right side
    186,865.96x = 27,410,541,932.68
  5. Step 5: Solve for x
    x = 27,410,541,932.68/186,865.96
  6. Step 6: Final answer
    x = 146,685.58

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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.