Home / 330,029.75-455,442.27-179,126.75

Finding the Fourth Proportional to 330,029.75, 455,442.27 and 179,126.75

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Solution

The fourth proportional to 330,029.75, 455,442.27 and 179,126.75 is: 247,195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,029.75 : 455,442.27 = 179,126.75 : x
  2. Step 2: Convert to fraction form
    330,029.75/455,442.27 = 179,126.75/x
  3. Step 3: Cross multiply
    330,029.75x = 455,442.27 × 179,126.75
  4. Step 4: Simplify right side
    330,029.75x = 81,581,893,637.72
  5. Step 5: Solve for x
    x = 81,581,893,637.72/330,029.75
  6. Step 6: Final answer
    x = 247,195.57

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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.