Home / 238,936.36-358,625.94-120,690.58

Finding the Fourth Proportional to 238,936.36, 358,625.94 and 120,690.58

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Solution

The fourth proportional to 238,936.36, 358,625.94 and 120,690.58 is: 181,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,936.36 : 358,625.94 = 120,690.58 : x
  2. Step 2: Convert to fraction form
    238,936.36/358,625.94 = 120,690.58/x
  3. Step 3: Cross multiply
    238,936.36x = 358,625.94 × 120,690.58
  4. Step 4: Simplify right side
    238,936.36x = 43,282,772,701.65
  5. Step 5: Solve for x
    x = 43,282,772,701.65/238,936.36
  6. Step 6: Final answer
    x = 181,147.70

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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.