Home / 192,876.25-289,328.24-66,514.67

Finding the Fourth Proportional to 192,876.25, 289,328.24 and 66,514.67

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Solution

The fourth proportional to 192,876.25, 289,328.24 and 66,514.67 is: 99,776.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,876.25 : 289,328.24 = 66,514.67 : x
  2. Step 2: Convert to fraction form
    192,876.25/289,328.24 = 66,514.67/x
  3. Step 3: Cross multiply
    192,876.25x = 289,328.24 × 66,514.67
  4. Step 4: Simplify right side
    192,876.25x = 19,244,572,116.37
  5. Step 5: Solve for x
    x = 19,244,572,116.37/192,876.25
  6. Step 6: Final answer
    x = 99,776.78

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1.5x scale

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.