Home / 293,809.23-405,580.85-198,445.10

Finding the Fourth Proportional to 293,809.23, 405,580.85 and 198,445.10

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Solution

The fourth proportional to 293,809.23, 405,580.85 and 198,445.10 is: 273,938.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,809.23 : 405,580.85 = 198,445.10 : x
  2. Step 2: Convert to fraction form
    293,809.23/405,580.85 = 198,445.10/x
  3. Step 3: Cross multiply
    293,809.23x = 405,580.85 × 198,445.10
  4. Step 4: Simplify right side
    293,809.23x = 80,485,532,336.34
  5. Step 5: Solve for x
    x = 80,485,532,336.34/293,809.23
  6. Step 6: Final answer
    x = 273,938.07

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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.