Home / 185,456.43-255,902.94-103,784.29

Finding the Fourth Proportional to 185,456.43, 255,902.94 and 103,784.29

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Solution

The fourth proportional to 185,456.43, 255,902.94 and 103,784.29 is: 143,207.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,456.43 : 255,902.94 = 103,784.29 : x
  2. Step 2: Convert to fraction form
    185,456.43/255,902.94 = 103,784.29/x
  3. Step 3: Cross multiply
    185,456.43x = 255,902.94 × 103,784.29
  4. Step 4: Simplify right side
    185,456.43x = 26,558,704,297.06
  5. Step 5: Solve for x
    x = 26,558,704,297.06/185,456.43
  6. Step 6: Final answer
    x = 143,207.24

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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.