Home / 238,827.51-329,569.71-131,394.78

Finding the Fourth Proportional to 238,827.51, 329,569.71 and 131,394.78

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Solution

The fourth proportional to 238,827.51, 329,569.71 and 131,394.78 is: 181,318.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,827.51 : 329,569.71 = 131,394.78 : x
  2. Step 2: Convert to fraction form
    238,827.51/329,569.71 = 131,394.78/x
  3. Step 3: Cross multiply
    238,827.51x = 329,569.71 × 131,394.78
  4. Step 4: Simplify right side
    238,827.51x = 43,303,739,540.11
  5. Step 5: Solve for x
    x = 43,303,739,540.11/238,827.51
  6. Step 6: Final answer
    x = 181,318.05

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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.