Home / 186,959.10-258,013.44-102,076.50

Finding the Fourth Proportional to 186,959.10, 258,013.44 and 102,076.50

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Solution

The fourth proportional to 186,959.10, 258,013.44 and 102,076.50 is: 140,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,959.10 : 258,013.44 = 102,076.50 : x
  2. Step 2: Convert to fraction form
    186,959.10/258,013.44 = 102,076.50/x
  3. Step 3: Cross multiply
    186,959.10x = 258,013.44 × 102,076.50
  4. Step 4: Simplify right side
    186,959.10x = 26,337,108,908.16
  5. Step 5: Solve for x
    x = 26,337,108,908.16/186,959.10
  6. Step 6: Final answer
    x = 140,870.97

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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.