Home / 203,426.02-305,104.20-53,667.86

Finding the Fourth Proportional to 203,426.02, 305,104.20 and 53,667.86

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Solution

The fourth proportional to 203,426.02, 305,104.20 and 53,667.86 is: 80,492.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,426.02 : 305,104.20 = 53,667.86 : x
  2. Step 2: Convert to fraction form
    203,426.02/305,104.20 = 53,667.86/x
  3. Step 3: Cross multiply
    203,426.02x = 305,104.20 × 53,667.86
  4. Step 4: Simplify right side
    203,426.02x = 16,374,287,965.49
  5. Step 5: Solve for x
    x = 16,374,287,965.49/203,426.02
  6. Step 6: Final answer
    x = 80,492.59

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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.