Home / 186,979.94-258,031.29-102,096.40

Finding the Fourth Proportional to 186,979.94, 258,031.29 and 102,096.40

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Solution

The fourth proportional to 186,979.94, 258,031.29 and 102,096.40 is: 140,892.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,979.94 : 258,031.29 = 102,096.40 : x
  2. Step 2: Convert to fraction form
    186,979.94/258,031.29 = 102,096.40/x
  3. Step 3: Cross multiply
    186,979.94x = 258,031.29 × 102,096.40
  4. Step 4: Simplify right side
    186,979.94x = 26,344,065,796.36
  5. Step 5: Solve for x
    x = 26,344,065,796.36/186,979.94
  6. Step 6: Final answer
    x = 140,892.47

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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.