Home / 186,942.22-257,970.50-102,042.88

Finding the Fourth Proportional to 186,942.22, 257,970.50 and 102,042.88

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Solution

The fourth proportional to 186,942.22, 257,970.50 and 102,042.88 is: 140,813.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,942.22 : 257,970.50 = 102,042.88 : x
  2. Step 2: Convert to fraction form
    186,942.22/257,970.50 = 102,042.88/x
  3. Step 3: Cross multiply
    186,942.22x = 257,970.50 × 102,042.88
  4. Step 4: Simplify right side
    186,942.22x = 26,324,052,775.04
  5. Step 5: Solve for x
    x = 26,324,052,775.04/186,942.22
  6. Step 6: Final answer
    x = 140,813.84

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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.