Home / 329,085.20-493,646.27-92,409.43

Finding the Fourth Proportional to 329,085.20, 493,646.27 and 92,409.43

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Solution

The fourth proportional to 329,085.20, 493,646.27 and 92,409.43 is: 138,619.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,085.20 : 493,646.27 = 92,409.43 : x
  2. Step 2: Convert to fraction form
    329,085.20/493,646.27 = 92,409.43/x
  3. Step 3: Cross multiply
    329,085.20x = 493,646.27 × 92,409.43
  4. Step 4: Simplify right side
    329,085.20x = 45,617,570,432.33
  5. Step 5: Solve for x
    x = 45,617,570,432.33/329,085.20
  6. Step 6: Final answer
    x = 138,619.33

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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.