Home / 330,213.58-455,685.96-186,987.22

Finding the Fourth Proportional to 330,213.58, 455,685.96 and 186,987.22

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Solution

The fourth proportional to 330,213.58, 455,685.96 and 186,987.22 is: 258,037.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,213.58 : 455,685.96 = 186,987.22 : x
  2. Step 2: Convert to fraction form
    330,213.58/455,685.96 = 186,987.22/x
  3. Step 3: Cross multiply
    330,213.58x = 455,685.96 × 186,987.22
  4. Step 4: Simplify right side
    330,213.58x = 85,207,450,853.43
  5. Step 5: Solve for x
    x = 85,207,450,853.43/330,213.58
  6. Step 6: Final answer
    x = 258,037.39

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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.