Home / 239,373.12-330,333.20-131,943.20

Finding the Fourth Proportional to 239,373.12, 330,333.20 and 131,943.20

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Solution

The fourth proportional to 239,373.12, 330,333.20 and 131,943.20 is: 182,080.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,373.12 : 330,333.20 = 131,943.20 : x
  2. Step 2: Convert to fraction form
    239,373.12/330,333.20 = 131,943.20/x
  3. Step 3: Cross multiply
    239,373.12x = 330,333.20 × 131,943.20
  4. Step 4: Simplify right side
    239,373.12x = 43,585,219,474.24
  5. Step 5: Solve for x
    x = 43,585,219,474.24/239,373.12
  6. Step 6: Final answer
    x = 182,080.68

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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.