Home / 330,003.18-455,404.57-179,100.18

Finding the Fourth Proportional to 330,003.18, 455,404.57 and 179,100.18

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Solution

The fourth proportional to 330,003.18, 455,404.57 and 179,100.18 is: 247,158.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,003.18 : 455,404.57 = 179,100.18 : x
  2. Step 2: Convert to fraction form
    330,003.18/455,404.57 = 179,100.18/x
  3. Step 3: Cross multiply
    330,003.18x = 455,404.57 × 179,100.18
  4. Step 4: Simplify right side
    330,003.18x = 81,563,039,260.56
  5. Step 5: Solve for x
    x = 81,563,039,260.56/330,003.18
  6. Step 6: Final answer
    x = 247,158.35

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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.