Home / 330,665.46-496,219.10-120,303.39

Finding the Fourth Proportional to 330,665.46, 496,219.10 and 120,303.39

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Solution

The fourth proportional to 330,665.46, 496,219.10 and 120,303.39 is: 180,535.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,665.46 : 496,219.10 = 120,303.39 : x
  2. Step 2: Convert to fraction form
    330,665.46/496,219.10 = 120,303.39/x
  3. Step 3: Cross multiply
    330,665.46x = 496,219.10 × 120,303.39
  4. Step 4: Simplify right side
    330,665.46x = 59,696,841,172.05
  5. Step 5: Solve for x
    x = 59,696,841,172.05/330,665.46
  6. Step 6: Final answer
    x = 180,535.46

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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.