Home / 204,117.63-306,315.75-70,996.56

Finding the Fourth Proportional to 204,117.63, 306,315.75 and 70,996.56

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Solution

The fourth proportional to 204,117.63, 306,315.75 and 70,996.56 is: 106,543.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,117.63 : 306,315.75 = 70,996.56 : x
  2. Step 2: Convert to fraction form
    204,117.63/306,315.75 = 70,996.56/x
  3. Step 3: Cross multiply
    204,117.63x = 306,315.75 × 70,996.56
  4. Step 4: Simplify right side
    204,117.63x = 21,747,364,523.82
  5. Step 5: Solve for x
    x = 21,747,364,523.82/204,117.63
  6. Step 6: Final answer
    x = 106,543.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.