Home / 204,869.16-307,447.38-84,927.96

Finding the Fourth Proportional to 204,869.16, 307,447.38 and 84,927.96

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Solution

The fourth proportional to 204,869.16, 307,447.38 and 84,927.96 is: 127,451.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,869.16 : 307,447.38 = 84,927.96 : x
  2. Step 2: Convert to fraction form
    204,869.16/307,447.38 = 84,927.96/x
  3. Step 3: Cross multiply
    204,869.16x = 307,447.38 × 84,927.96
  4. Step 4: Simplify right side
    204,869.16x = 26,110,878,790.74
  5. Step 5: Solve for x
    x = 26,110,878,790.74/204,869.16
  6. Step 6: Final answer
    x = 127,451.49

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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.