Home / 330,154.39-455,613.03-179,251.39

Finding the Fourth Proportional to 330,154.39, 455,613.03 and 179,251.39

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Solution

The fourth proportional to 330,154.39, 455,613.03 and 179,251.39 is: 247,366.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,154.39 : 455,613.03 = 179,251.39 : x
  2. Step 2: Convert to fraction form
    330,154.39/455,613.03 = 179,251.39/x
  3. Step 3: Cross multiply
    330,154.39x = 455,613.03 × 179,251.39
  4. Step 4: Simplify right side
    330,154.39x = 81,669,268,929.61
  5. Step 5: Solve for x
    x = 81,669,268,929.61/330,154.39
  6. Step 6: Final answer
    x = 247,366.90

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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.