Home / 154,412.30-231,618.45-43,604.30

Finding the Fourth Proportional to 154,412.30, 231,618.45 and 43,604.30

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Solution

The fourth proportional to 154,412.30, 231,618.45 and 43,604.30 is: 65,406.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,412.30 : 231,618.45 = 43,604.30 : x
  2. Step 2: Convert to fraction form
    154,412.30/231,618.45 = 43,604.30/x
  3. Step 3: Cross multiply
    154,412.30x = 231,618.45 × 43,604.30
  4. Step 4: Simplify right side
    154,412.30x = 10,099,560,379.34
  5. Step 5: Solve for x
    x = 10,099,560,379.34/154,412.30
  6. Step 6: Final answer
    x = 65,406.45

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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.