Home / 204,911.10-307,366.65-125,768.70

Finding the Fourth Proportional to 204,911.10, 307,366.65 and 125,768.70

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Solution

The fourth proportional to 204,911.10, 307,366.65 and 125,768.70 is: 188,653.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,911.10 : 307,366.65 = 125,768.70 : x
  2. Step 2: Convert to fraction form
    204,911.10/307,366.65 = 125,768.70/x
  3. Step 3: Cross multiply
    204,911.10x = 307,366.65 × 125,768.70
  4. Step 4: Simplify right side
    204,911.10x = 38,657,103,993.86
  5. Step 5: Solve for x
    x = 38,657,103,993.86/204,911.10
  6. Step 6: Final answer
    x = 188,653.05

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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.