Home / 154,533.71-231,765.49-54,693.86

Finding the Fourth Proportional to 154,533.71, 231,765.49 and 54,693.86

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Solution

The fourth proportional to 154,533.71, 231,765.49 and 54,693.86 is: 82,028.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,533.71 : 231,765.49 = 54,693.86 : x
  2. Step 2: Convert to fraction form
    154,533.71/231,765.49 = 54,693.86/x
  3. Step 3: Cross multiply
    154,533.71x = 231,765.49 × 54,693.86
  4. Step 4: Simplify right side
    154,533.71x = 12,676,148,842.54
  5. Step 5: Solve for x
    x = 12,676,148,842.54/154,533.71
  6. Step 6: Final answer
    x = 82,028.37

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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.