Home / 185,579.80-256,033.26-105,006.47

Finding the Fourth Proportional to 185,579.80, 256,033.26 and 105,006.47

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Solution

The fourth proportional to 185,579.80, 256,033.26 and 105,006.47 is: 144,871.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,579.80 : 256,033.26 = 105,006.47 : x
  2. Step 2: Convert to fraction form
    185,579.80/256,033.26 = 105,006.47/x
  3. Step 3: Cross multiply
    185,579.80x = 256,033.26 × 105,006.47
  4. Step 4: Simplify right side
    185,579.80x = 26,885,147,555.03
  5. Step 5: Solve for x
    x = 26,885,147,555.03/185,579.80
  6. Step 6: Final answer
    x = 144,871.09

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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.