Home / 164,500.91-246,842.61-80,261.78

Finding the Fourth Proportional to 164,500.91, 246,842.61 and 80,261.78

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Solution

The fourth proportional to 164,500.91, 246,842.61 and 80,261.78 is: 120,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,500.91 : 246,842.61 = 80,261.78 : x
  2. Step 2: Convert to fraction form
    164,500.91/246,842.61 = 80,261.78/x
  3. Step 3: Cross multiply
    164,500.91x = 246,842.61 × 80,261.78
  4. Step 4: Simplify right side
    164,500.91x = 19,812,027,258.45
  5. Step 5: Solve for x
    x = 19,812,027,258.45/164,500.91
  6. Step 6: Final answer
    x = 120,437.19

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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.