Home / 272,066.28-408,092.43-72,388.35

Finding the Fourth Proportional to 272,066.28, 408,092.43 and 72,388.35

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Solution

The fourth proportional to 272,066.28, 408,092.43 and 72,388.35 is: 108,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,066.28 : 408,092.43 = 72,388.35 : x
  2. Step 2: Convert to fraction form
    272,066.28/408,092.43 = 72,388.35/x
  3. Step 3: Cross multiply
    272,066.28x = 408,092.43 × 72,388.35
  4. Step 4: Simplify right side
    272,066.28x = 29,541,137,519.46
  5. Step 5: Solve for x
    x = 29,541,137,519.46/272,066.28
  6. Step 6: Final answer
    x = 108,580.67

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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.