Home / 186,481.23-257,335.14-105,898.11

Finding the Fourth Proportional to 186,481.23, 257,335.14 and 105,898.11

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Solution

The fourth proportional to 186,481.23, 257,335.14 and 105,898.11 is: 146,134.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,481.23 : 257,335.14 = 105,898.11 : x
  2. Step 2: Convert to fraction form
    186,481.23/257,335.14 = 105,898.11/x
  3. Step 3: Cross multiply
    186,481.23x = 257,335.14 × 105,898.11
  4. Step 4: Simplify right side
    186,481.23x = 27,251,304,962.59
  5. Step 5: Solve for x
    x = 27,251,304,962.59/186,481.23
  6. Step 6: Final answer
    x = 146,134.31

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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.