Home / 179,330.80-268,996.20-74,114.80

Finding the Fourth Proportional to 179,330.80, 268,996.20 and 74,114.80

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Solution

The fourth proportional to 179,330.80, 268,996.20 and 74,114.80 is: 111,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,330.80 : 268,996.20 = 74,114.80 : x
  2. Step 2: Convert to fraction form
    179,330.80/268,996.20 = 74,114.80/x
  3. Step 3: Cross multiply
    179,330.80x = 268,996.20 × 74,114.80
  4. Step 4: Simplify right side
    179,330.80x = 19,936,599,563.76
  5. Step 5: Solve for x
    x = 19,936,599,563.76/179,330.80
  6. Step 6: Final answer
    x = 111,172.20

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1.5x scale

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.