Home / 149,233.04-205,941.64-82,165.04

Finding the Fourth Proportional to 149,233.04, 205,941.64 and 82,165.04

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Solution

The fourth proportional to 149,233.04, 205,941.64 and 82,165.04 is: 113,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,233.04 : 205,941.64 = 82,165.04 : x
  2. Step 2: Convert to fraction form
    149,233.04/205,941.64 = 82,165.04/x
  3. Step 3: Cross multiply
    149,233.04x = 205,941.64 × 82,165.04
  4. Step 4: Simplify right side
    149,233.04x = 16,921,203,088.27
  5. Step 5: Solve for x
    x = 16,921,203,088.27/149,233.04
  6. Step 6: Final answer
    x = 113,387.78

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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.