Home / 100,178.22-150,281.97-30,063.06

Finding the Fourth Proportional to 100,178.22, 150,281.97 and 30,063.06

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Solution

The fourth proportional to 100,178.22, 150,281.97 and 30,063.06 is: 45,098.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,178.22 : 150,281.97 = 30,063.06 : x
  2. Step 2: Convert to fraction form
    100,178.22/150,281.97 = 30,063.06/x
  3. Step 3: Cross multiply
    100,178.22x = 150,281.97 × 30,063.06
  4. Step 4: Simplify right side
    100,178.22x = 4,517,935,881.03
  5. Step 5: Solve for x
    x = 4,517,935,881.03/100,178.22
  6. Step 6: Final answer
    x = 45,098.98

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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.