Home / 326,724.64-490,069.32-102,059.29

Finding the Fourth Proportional to 326,724.64, 490,069.32 and 102,059.29

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Solution

The fourth proportional to 326,724.64, 490,069.32 and 102,059.29 is: 153,083.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,724.64 : 490,069.32 = 102,059.29 : x
  2. Step 2: Convert to fraction form
    326,724.64/490,069.32 = 102,059.29/x
  3. Step 3: Cross multiply
    326,724.64x = 490,069.32 × 102,059.29
  4. Step 4: Simplify right side
    326,724.64x = 50,016,126,849.98
  5. Step 5: Solve for x
    x = 50,016,126,849.98/326,724.64
  6. Step 6: Final answer
    x = 153,083.42

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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.