Home / 185,837.69-256,454.61-100,955.36

Finding the Fourth Proportional to 185,837.69, 256,454.61 and 100,955.36

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Solution

The fourth proportional to 185,837.69, 256,454.61 and 100,955.36 is: 139,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,837.69 : 256,454.61 = 100,955.36 : x
  2. Step 2: Convert to fraction form
    185,837.69/256,454.61 = 100,955.36/x
  3. Step 3: Cross multiply
    185,837.69x = 256,454.61 × 100,955.36
  4. Step 4: Simplify right side
    185,837.69x = 25,890,467,738.76
  5. Step 5: Solve for x
    x = 25,890,467,738.76/185,837.69
  6. Step 6: Final answer
    x = 139,317.63

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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.