Home / 204,815.89-307,112.66-92,364.53

Finding the Fourth Proportional to 204,815.89, 307,112.66 and 92,364.53

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Solution

The fourth proportional to 204,815.89, 307,112.66 and 92,364.53 is: 138,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,815.89 : 307,112.66 = 92,364.53 : x
  2. Step 2: Convert to fraction form
    204,815.89/307,112.66 = 92,364.53/x
  3. Step 3: Cross multiply
    204,815.89x = 307,112.66 × 92,364.53
  4. Step 4: Simplify right side
    204,815.89x = 28,366,316,036.13
  5. Step 5: Solve for x
    x = 28,366,316,036.13/204,815.89
  6. Step 6: Final answer
    x = 138,496.66

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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.