Home / 238,257.25-328,805.73-142,761.89

Finding the Fourth Proportional to 238,257.25, 328,805.73 and 142,761.89

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Solution

The fourth proportional to 238,257.25, 328,805.73 and 142,761.89 is: 197,017.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,257.25 : 328,805.73 = 142,761.89 : x
  2. Step 2: Convert to fraction form
    238,257.25/328,805.73 = 142,761.89/x
  3. Step 3: Cross multiply
    238,257.25x = 328,805.73 × 142,761.89
  4. Step 4: Simplify right side
    238,257.25x = 46,940,927,457.63
  5. Step 5: Solve for x
    x = 46,940,927,457.63/238,257.25
  6. Step 6: Final answer
    x = 197,017.84

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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.