Home / 114,634.20-171,659.70-109,385.40

Finding the Fourth Proportional to 114,634.20, 171,659.70 and 109,385.40

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Solution

The fourth proportional to 114,634.20, 171,659.70 and 109,385.40 is: 163,799.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,634.20 : 171,659.70 = 109,385.40 : x
  2. Step 2: Convert to fraction form
    114,634.20/171,659.70 = 109,385.40/x
  3. Step 3: Cross multiply
    114,634.20x = 171,659.70 × 109,385.40
  4. Step 4: Simplify right side
    114,634.20x = 18,777,064,948.38
  5. Step 5: Solve for x
    x = 18,777,064,948.38/114,634.20
  6. Step 6: Final answer
    x = 163,799.85

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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.