Home / 327,555.04-491,332.60-90,897.80

Finding the Fourth Proportional to 327,555.04, 491,332.60 and 90,897.80

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Solution

The fourth proportional to 327,555.04, 491,332.60 and 90,897.80 is: 136,346.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,555.04 : 491,332.60 = 90,897.80 : x
  2. Step 2: Convert to fraction form
    327,555.04/491,332.60 = 90,897.80/x
  3. Step 3: Cross multiply
    327,555.04x = 491,332.60 × 90,897.80
  4. Step 4: Simplify right side
    327,555.04x = 44,661,052,408.28
  5. Step 5: Solve for x
    x = 44,661,052,408.28/327,555.04
  6. Step 6: Final answer
    x = 136,346.71

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1.5x scale

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.