Home / 186,979.38-258,031.53-102,096.51

Finding the Fourth Proportional to 186,979.38, 258,031.53 and 102,096.51

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Solution

The fourth proportional to 186,979.38, 258,031.53 and 102,096.51 is: 140,893.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,979.38 : 258,031.53 = 102,096.51 : x
  2. Step 2: Convert to fraction form
    186,979.38/258,031.53 = 102,096.51/x
  3. Step 3: Cross multiply
    186,979.38x = 258,031.53 × 102,096.51
  4. Step 4: Simplify right side
    186,979.38x = 26,344,118,682.96
  5. Step 5: Solve for x
    x = 26,344,118,682.96/186,979.38
  6. Step 6: Final answer
    x = 140,893.18

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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.