Home / 330,181.07-455,651.69-179,278.07

Finding the Fourth Proportional to 330,181.07, 455,651.69 and 179,278.07

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Solution

The fourth proportional to 330,181.07, 455,651.69 and 179,278.07 is: 247,404.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,181.07 : 455,651.69 = 179,278.07 : x
  2. Step 2: Convert to fraction form
    330,181.07/455,651.69 = 179,278.07/x
  3. Step 3: Cross multiply
    330,181.07x = 455,651.69 × 179,278.07
  4. Step 4: Simplify right side
    330,181.07x = 81,688,352,400.79
  5. Step 5: Solve for x
    x = 81,688,352,400.79/330,181.07
  6. Step 6: Final answer
    x = 247,404.72

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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.