Home / 284,245.20-392,308.92-169,530.84

Finding the Fourth Proportional to 284,245.20, 392,308.92 and 169,530.84

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Solution

The fourth proportional to 284,245.20, 392,308.92 and 169,530.84 is: 233,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,245.20 : 392,308.92 = 169,530.84 : x
  2. Step 2: Convert to fraction form
    284,245.20/392,308.92 = 169,530.84/x
  3. Step 3: Cross multiply
    284,245.20x = 392,308.92 × 169,530.84
  4. Step 4: Simplify right side
    284,245.20x = 66,508,460,747.09
  5. Step 5: Solve for x
    x = 66,508,460,747.09/284,245.20
  6. Step 6: Final answer
    x = 233,982.70

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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.