Home / 186,781.55-257,757.31-106,209.08

Finding the Fourth Proportional to 186,781.55, 257,757.31 and 106,209.08

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Solution

The fourth proportional to 186,781.55, 257,757.31 and 106,209.08 is: 146,567.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,781.55 : 257,757.31 = 106,209.08 : x
  2. Step 2: Convert to fraction form
    186,781.55/257,757.31 = 106,209.08/x
  3. Step 3: Cross multiply
    186,781.55x = 257,757.31 × 106,209.08
  4. Step 4: Simplify right side
    186,781.55x = 27,376,164,938.54
  5. Step 5: Solve for x
    x = 27,376,164,938.54/186,781.55
  6. Step 6: Final answer
    x = 146,567.83

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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.