Home / 206,318.58-284,770.28-125,790.50

Finding the Fourth Proportional to 206,318.58, 284,770.28 and 125,790.50

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Solution

The fourth proportional to 206,318.58, 284,770.28 and 125,790.50 is: 173,621.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,318.58 : 284,770.28 = 125,790.50 : x
  2. Step 2: Convert to fraction form
    206,318.58/284,770.28 = 125,790.50/x
  3. Step 3: Cross multiply
    206,318.58x = 284,770.28 × 125,790.50
  4. Step 4: Simplify right side
    206,318.58x = 35,821,396,932.74
  5. Step 5: Solve for x
    x = 35,821,396,932.74/206,318.58
  6. Step 6: Final answer
    x = 173,621.77

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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.