Home / 149,002.20-223,503.30-92,905.65

Finding the Fourth Proportional to 149,002.20, 223,503.30 and 92,905.65

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Solution

The fourth proportional to 149,002.20, 223,503.30 and 92,905.65 is: 139,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,002.20 : 223,503.30 = 92,905.65 : x
  2. Step 2: Convert to fraction form
    149,002.20/223,503.30 = 92,905.65/x
  3. Step 3: Cross multiply
    149,002.20x = 223,503.30 × 92,905.65
  4. Step 4: Simplify right side
    149,002.20x = 20,764,719,363.65
  5. Step 5: Solve for x
    x = 20,764,719,363.65/149,002.20
  6. Step 6: Final answer
    x = 139,358.48

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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.