Home / 263,327.28-392,966-235,333.68

Finding the Fourth Proportional to 263,327.28, 392,966 and 235,333.68

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Solution

The fourth proportional to 263,327.28, 392,966 and 235,333.68 is: 351,190.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,327.28 : 392,966 = 235,333.68 : x
  2. Step 2: Convert to fraction form
    263,327.28/392,966 = 235,333.68/x
  3. Step 3: Cross multiply
    263,327.28x = 392,966 × 235,333.68
  4. Step 4: Simplify right side
    263,327.28x = 92,478,134,894.88
  5. Step 5: Solve for x
    x = 92,478,134,894.88/263,327.28
  6. Step 6: Final answer
    x = 351,190.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.