Home / 265,299.04-397,964.10-75,744.82

Finding the Fourth Proportional to 265,299.04, 397,964.10 and 75,744.82

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Solution

The fourth proportional to 265,299.04, 397,964.10 and 75,744.82 is: 113,621.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,299.04 : 397,964.10 = 75,744.82 : x
  2. Step 2: Convert to fraction form
    265,299.04/397,964.10 = 75,744.82/x
  3. Step 3: Cross multiply
    265,299.04x = 397,964.10 × 75,744.82
  4. Step 4: Simplify right side
    265,299.04x = 30,143,719,120.96
  5. Step 5: Solve for x
    x = 30,143,719,120.96/265,299.04
  6. Step 6: Final answer
    x = 113,621.67

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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.