Home / 231,371.12-319,326.36-146,496.08

Finding the Fourth Proportional to 231,371.12, 319,326.36 and 146,496.08

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Solution

The fourth proportional to 231,371.12, 319,326.36 and 146,496.08 is: 202,186.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,371.12 : 319,326.36 = 146,496.08 : x
  2. Step 2: Convert to fraction form
    231,371.12/319,326.36 = 146,496.08/x
  3. Step 3: Cross multiply
    231,371.12x = 319,326.36 × 146,496.08
  4. Step 4: Simplify right side
    231,371.12x = 46,780,059,980.67
  5. Step 5: Solve for x
    x = 46,780,059,980.67/231,371.12
  6. Step 6: Final answer
    x = 202,186.25

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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.