Home / 186,243.30-279,370.08-68,002.74

Finding the Fourth Proportional to 186,243.30, 279,370.08 and 68,002.74

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Solution

The fourth proportional to 186,243.30, 279,370.08 and 68,002.74 is: 102,005.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,243.30 : 279,370.08 = 68,002.74 : x
  2. Step 2: Convert to fraction form
    186,243.30/279,370.08 = 68,002.74/x
  3. Step 3: Cross multiply
    186,243.30x = 279,370.08 × 68,002.74
  4. Step 4: Simplify right side
    186,243.30x = 18,997,930,914.02
  5. Step 5: Solve for x
    x = 18,997,930,914.02/186,243.30
  6. Step 6: Final answer
    x = 102,005.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.