Home / 185,253.30-255,649.58-100,370.36

Finding the Fourth Proportional to 185,253.30, 255,649.58 and 100,370.36

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Solution

The fourth proportional to 185,253.30, 255,649.58 and 100,370.36 is: 138,511.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,253.30 : 255,649.58 = 100,370.36 : x
  2. Step 2: Convert to fraction form
    185,253.30/255,649.58 = 100,370.36/x
  3. Step 3: Cross multiply
    185,253.30x = 255,649.58 × 100,370.36
  4. Step 4: Simplify right side
    185,253.30x = 25,659,640,892.11
  5. Step 5: Solve for x
    x = 25,659,640,892.11/185,253.30
  6. Step 6: Final answer
    x = 138,511.11

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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.