Home / 330,001.04-494,861.96-140,453.75

Finding the Fourth Proportional to 330,001.04, 494,861.96 and 140,453.75

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Solution

The fourth proportional to 330,001.04, 494,861.96 and 140,453.75 is: 210,621.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,001.04 : 494,861.96 = 140,453.75 : x
  2. Step 2: Convert to fraction form
    330,001.04/494,861.96 = 140,453.75/x
  3. Step 3: Cross multiply
    330,001.04x = 494,861.96 × 140,453.75
  4. Step 4: Simplify right side
    330,001.04x = 69,505,214,837.77
  5. Step 5: Solve for x
    x = 69,505,214,837.77/330,001.04
  6. Step 6: Final answer
    x = 210,621.20

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1.5x scale

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.