Home / 186,985.80-279,821.94-161,004.36

Finding the Fourth Proportional to 186,985.80, 279,821.94 and 161,004.36

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Solution

The fourth proportional to 186,985.80, 279,821.94 and 161,004.36 is: 240,941.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,985.80 : 279,821.94 = 161,004.36 : x
  2. Step 2: Convert to fraction form
    186,985.80/279,821.94 = 161,004.36/x
  3. Step 3: Cross multiply
    186,985.80x = 279,821.94 × 161,004.36
  4. Step 4: Simplify right side
    186,985.80x = 45,052,552,363.66
  5. Step 5: Solve for x
    x = 45,052,552,363.66/186,985.80
  6. Step 6: Final answer
    x = 240,941.04

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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.