Home / 185,754.20-256,336.06-105,201.52

Finding the Fourth Proportional to 185,754.20, 256,336.06 and 105,201.52

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Solution

The fourth proportional to 185,754.20, 256,336.06 and 105,201.52 is: 145,175.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,754.20 : 256,336.06 = 105,201.52 : x
  2. Step 2: Convert to fraction form
    185,754.20/256,336.06 = 105,201.52/x
  3. Step 3: Cross multiply
    185,754.20x = 256,336.06 × 105,201.52
  4. Step 4: Simplify right side
    185,754.20x = 26,966,943,142.81
  5. Step 5: Solve for x
    x = 26,966,943,142.81/185,754.20
  6. Step 6: Final answer
    x = 145,175.42

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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.