Home / 185,968.26-256,634.88-105,395.10

Finding the Fourth Proportional to 185,968.26, 256,634.88 and 105,395.10

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Solution

The fourth proportional to 185,968.26, 256,634.88 and 105,395.10 is: 145,444.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,968.26 : 256,634.88 = 105,395.10 : x
  2. Step 2: Convert to fraction form
    185,968.26/256,634.88 = 105,395.10/x
  3. Step 3: Cross multiply
    185,968.26x = 256,634.88 × 105,395.10
  4. Step 4: Simplify right side
    185,968.26x = 27,048,058,841.09
  5. Step 5: Solve for x
    x = 27,048,058,841.09/185,968.26
  6. Step 6: Final answer
    x = 145,444.49

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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.