Home / 239,021.15-358,753.46-120,775.52

Finding the Fourth Proportional to 239,021.15, 358,753.46 and 120,775.52

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Solution

The fourth proportional to 239,021.15, 358,753.46 and 120,775.52 is: 181,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,021.15 : 358,753.46 = 120,775.52 : x
  2. Step 2: Convert to fraction form
    239,021.15/358,753.46 = 120,775.52/x
  3. Step 3: Cross multiply
    239,021.15x = 358,753.46 × 120,775.52
  4. Step 4: Simplify right side
    239,021.15x = 43,328,635,976.31
  5. Step 5: Solve for x
    x = 43,328,635,976.31/239,021.15
  6. Step 6: Final answer
    x = 181,275.33

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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.