Home / 326,722.28-490,151.44-102,073.64

Finding the Fourth Proportional to 326,722.28, 490,151.44 and 102,073.64

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Solution

The fourth proportional to 326,722.28, 490,151.44 and 102,073.64 is: 153,131.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,722.28 : 490,151.44 = 102,073.64 : x
  2. Step 2: Convert to fraction form
    326,722.28/490,151.44 = 102,073.64/x
  3. Step 3: Cross multiply
    326,722.28x = 490,151.44 × 102,073.64
  4. Step 4: Simplify right side
    326,722.28x = 50,031,541,632.04
  5. Step 5: Solve for x
    x = 50,031,541,632.04/326,722.28
  6. Step 6: Final answer
    x = 153,131.71

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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.