Home / 330,069.60-455,496.48-179,166.72

Finding the Fourth Proportional to 330,069.60, 455,496.48 and 179,166.72

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Solution

The fourth proportional to 330,069.60, 455,496.48 and 179,166.72 is: 247,250.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,069.60 : 455,496.48 = 179,166.72 : x
  2. Step 2: Convert to fraction form
    330,069.60/455,496.48 = 179,166.72/x
  3. Step 3: Cross multiply
    330,069.60x = 455,496.48 × 179,166.72
  4. Step 4: Simplify right side
    330,069.60x = 81,609,810,293.15
  5. Step 5: Solve for x
    x = 81,609,810,293.15/330,069.60
  6. Step 6: Final answer
    x = 247,250.31

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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.