Home / 360,939.27-498,090.16-199,790.86

Finding the Fourth Proportional to 360,939.27, 498,090.16 and 199,790.86

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Solution

The fourth proportional to 360,939.27, 498,090.16 and 199,790.86 is: 275,708.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,939.27 : 498,090.16 = 199,790.86 : x
  2. Step 2: Convert to fraction form
    360,939.27/498,090.16 = 199,790.86/x
  3. Step 3: Cross multiply
    360,939.27x = 498,090.16 × 199,790.86
  4. Step 4: Simplify right side
    360,939.27x = 99,513,861,423.94
  5. Step 5: Solve for x
    x = 99,513,861,423.94/360,939.27
  6. Step 6: Final answer
    x = 275,708.05

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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.