Home / 147,147.04-203,048.80-82,601.44

Finding the Fourth Proportional to 147,147.04, 203,048.80 and 82,601.44

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Solution

The fourth proportional to 147,147.04, 203,048.80 and 82,601.44 is: 113,982.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,147.04 : 203,048.80 = 82,601.44 : x
  2. Step 2: Convert to fraction form
    147,147.04/203,048.80 = 82,601.44/x
  3. Step 3: Cross multiply
    147,147.04x = 203,048.80 × 82,601.44
  4. Step 4: Simplify right side
    147,147.04x = 16,772,123,270.27
  5. Step 5: Solve for x
    x = 16,772,123,270.27/147,147.04
  6. Step 6: Final answer
    x = 113,982.06

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1.5x scale

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.