Home / 147,467.72-221,189.22-76,313.67

Finding the Fourth Proportional to 147,467.72, 221,189.22 and 76,313.67

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Solution

The fourth proportional to 147,467.72, 221,189.22 and 76,313.67 is: 114,464.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,467.72 : 221,189.22 = 76,313.67 : x
  2. Step 2: Convert to fraction form
    147,467.72/221,189.22 = 76,313.67/x
  3. Step 3: Cross multiply
    147,467.72x = 221,189.22 × 76,313.67
  4. Step 4: Simplify right side
    147,467.72x = 16,879,761,142.64
  5. Step 5: Solve for x
    x = 16,879,761,142.64/147,467.72
  6. Step 6: Final answer
    x = 114,464.11

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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.