Home / 279,132.04-385,198.23-151,804.90

Finding the Fourth Proportional to 279,132.04, 385,198.23 and 151,804.90

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Solution

The fourth proportional to 279,132.04, 385,198.23 and 151,804.90 is: 209,488.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,132.04 : 385,198.23 = 151,804.90 : x
  2. Step 2: Convert to fraction form
    279,132.04/385,198.23 = 151,804.90/x
  3. Step 3: Cross multiply
    279,132.04x = 385,198.23 × 151,804.90
  4. Step 4: Simplify right side
    279,132.04x = 58,474,978,785.33
  5. Step 5: Solve for x
    x = 58,474,978,785.33/279,132.04
  6. Step 6: Final answer
    x = 209,488.59

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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.