Home / 330,328.96-455,920.32-196,167.04

Finding the Fourth Proportional to 330,328.96, 455,920.32 and 196,167.04

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Solution

The fourth proportional to 330,328.96, 455,920.32 and 196,167.04 is: 270,749.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,328.96 : 455,920.32 = 196,167.04 : x
  2. Step 2: Convert to fraction form
    330,328.96/455,920.32 = 196,167.04/x
  3. Step 3: Cross multiply
    330,328.96x = 455,920.32 × 196,167.04
  4. Step 4: Simplify right side
    330,328.96x = 89,436,539,650.25
  5. Step 5: Solve for x
    x = 89,436,539,650.25/330,328.96
  6. Step 6: Final answer
    x = 270,749.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.