Home / 330,947.66-496,322.52-120,536.39

Finding the Fourth Proportional to 330,947.66, 496,322.52 and 120,536.39

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Solution

The fourth proportional to 330,947.66, 496,322.52 and 120,536.39 is: 180,768.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,947.66 : 496,322.52 = 120,536.39 : x
  2. Step 2: Convert to fraction form
    330,947.66/496,322.52 = 120,536.39/x
  3. Step 3: Cross multiply
    330,947.66x = 496,322.52 × 120,536.39
  4. Step 4: Simplify right side
    330,947.66x = 59,824,922,354.89
  5. Step 5: Solve for x
    x = 59,824,922,354.89/330,947.66
  6. Step 6: Final answer
    x = 180,768.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.