Home / 215,837.04-323,558.34-75,519.12

Finding the Fourth Proportional to 215,837.04, 323,558.34 and 75,519.12

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Solution

The fourth proportional to 215,837.04, 323,558.34 and 75,519.12 is: 113,209.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,837.04 : 323,558.34 = 75,519.12 : x
  2. Step 2: Convert to fraction form
    215,837.04/323,558.34 = 75,519.12/x
  3. Step 3: Cross multiply
    215,837.04x = 323,558.34 × 75,519.12
  4. Step 4: Simplify right side
    215,837.04x = 24,434,841,105.46
  5. Step 5: Solve for x
    x = 24,434,841,105.46/215,837.04
  6. Step 6: Final answer
    x = 113,209.67

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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.