Home / 233,426.20-321,740.90-165,355.80

Finding the Fourth Proportional to 233,426.20, 321,740.90 and 165,355.80

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Solution

The fourth proportional to 233,426.20, 321,740.90 and 165,355.80 is: 227,916.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,426.20 : 321,740.90 = 165,355.80 : x
  2. Step 2: Convert to fraction form
    233,426.20/321,740.90 = 165,355.80/x
  3. Step 3: Cross multiply
    233,426.20x = 321,740.90 × 165,355.80
  4. Step 4: Simplify right side
    233,426.20x = 53,201,723,912.22
  5. Step 5: Solve for x
    x = 53,201,723,912.22/233,426.20
  6. Step 6: Final answer
    x = 227,916.68

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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.