Home / 185,243.05-255,635.66-100,360.11

Finding the Fourth Proportional to 185,243.05, 255,635.66 and 100,360.11

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Solution

The fourth proportional to 185,243.05, 255,635.66 and 100,360.11 is: 138,497.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,243.05 : 255,635.66 = 100,360.11 : x
  2. Step 2: Convert to fraction form
    185,243.05/255,635.66 = 100,360.11/x
  3. Step 3: Cross multiply
    185,243.05x = 255,635.66 × 100,360.11
  4. Step 4: Simplify right side
    185,243.05x = 25,655,624,167.06
  5. Step 5: Solve for x
    x = 25,655,624,167.06/185,243.05
  6. Step 6: Final answer
    x = 138,497.09

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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.