Home / 239,720.46-330,813.90-132,290.48

Finding the Fourth Proportional to 239,720.46, 330,813.90 and 132,290.48

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Solution

The fourth proportional to 239,720.46, 330,813.90 and 132,290.48 is: 182,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,720.46 : 330,813.90 = 132,290.48 : x
  2. Step 2: Convert to fraction form
    239,720.46/330,813.90 = 132,290.48/x
  3. Step 3: Cross multiply
    239,720.46x = 330,813.90 × 132,290.48
  4. Step 4: Simplify right side
    239,720.46x = 43,763,529,621.67
  5. Step 5: Solve for x
    x = 43,763,529,621.67/239,720.46
  6. Step 6: Final answer
    x = 182,560.68

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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.