Home / 147,923.20-222,030.60-73,127.80

Finding the Fourth Proportional to 147,923.20, 222,030.60 and 73,127.80

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Solution

The fourth proportional to 147,923.20, 222,030.60 and 73,127.80 is: 109,763.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,923.20 : 222,030.60 = 73,127.80 : x
  2. Step 2: Convert to fraction form
    147,923.20/222,030.60 = 73,127.80/x
  3. Step 3: Cross multiply
    147,923.20x = 222,030.60 × 73,127.80
  4. Step 4: Simplify right side
    147,923.20x = 16,236,609,310.68
  5. Step 5: Solve for x
    x = 16,236,609,310.68/147,923.20
  6. Step 6: Final answer
    x = 109,763.78

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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.