Home / 302,378.43-453,251.20-112,762.52

Finding the Fourth Proportional to 302,378.43, 453,251.20 and 112,762.52

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Solution

The fourth proportional to 302,378.43, 453,251.20 and 112,762.52 is: 169,025.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,378.43 : 453,251.20 = 112,762.52 : x
  2. Step 2: Convert to fraction form
    302,378.43/453,251.20 = 112,762.52/x
  3. Step 3: Cross multiply
    302,378.43x = 453,251.20 × 112,762.52
  4. Step 4: Simplify right side
    302,378.43x = 51,109,744,956.86
  5. Step 5: Solve for x
    x = 51,109,744,956.86/302,378.43
  6. Step 6: Final answer
    x = 169,025.76

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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.