Home / 239,185.47-330,074.42-131,753.01

Finding the Fourth Proportional to 239,185.47, 330,074.42 and 131,753.01

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Solution

The fourth proportional to 239,185.47, 330,074.42 and 131,753.01 is: 181,818.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,185.47 : 330,074.42 = 131,753.01 : x
  2. Step 2: Convert to fraction form
    239,185.47/330,074.42 = 131,753.01/x
  3. Step 3: Cross multiply
    239,185.47x = 330,074.42 × 131,753.01
  4. Step 4: Simplify right side
    239,185.47x = 43,488,297,700.24
  5. Step 5: Solve for x
    x = 43,488,297,700.24/239,185.47
  6. Step 6: Final answer
    x = 181,818.31

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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.