Home / 323,148.47-484,944.10-112,786.40

Finding the Fourth Proportional to 323,148.47, 484,944.10 and 112,786.40

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Solution

The fourth proportional to 323,148.47, 484,944.10 and 112,786.40 is: 169,256.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,148.47 : 484,944.10 = 112,786.40 : x
  2. Step 2: Convert to fraction form
    323,148.47/484,944.10 = 112,786.40/x
  3. Step 3: Cross multiply
    323,148.47x = 484,944.10 × 112,786.40
  4. Step 4: Simplify right side
    323,148.47x = 54,695,100,170.63
  5. Step 5: Solve for x
    x = 54,695,100,170.63/323,148.47
  6. Step 6: Final answer
    x = 169,256.88

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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.