Home / 204,817.81-307,366.04-125,690.53

Finding the Fourth Proportional to 204,817.81, 307,366.04 and 125,690.53

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Solution

The fourth proportional to 204,817.81, 307,366.04 and 125,690.53 is: 188,621.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,817.81 : 307,366.04 = 125,690.53 : x
  2. Step 2: Convert to fraction form
    204,817.81/307,366.04 = 125,690.53/x
  3. Step 3: Cross multiply
    204,817.81x = 307,366.04 × 125,690.53
  4. Step 4: Simplify right side
    204,817.81x = 38,633,000,471.60
  5. Step 5: Solve for x
    x = 38,633,000,471.60/204,817.81
  6. Step 6: Final answer
    x = 188,621.29

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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.