Home / 123,422.25-185,133.98-29,928

Finding the Fourth Proportional to 123,422.25, 185,133.98 and 29,928

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Solution

The fourth proportional to 123,422.25, 185,133.98 and 29,928 is: 44,892.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,422.25 : 185,133.98 = 29,928 : x
  2. Step 2: Convert to fraction form
    123,422.25/185,133.98 = 29,928/x
  3. Step 3: Cross multiply
    123,422.25x = 185,133.98 × 29,928
  4. Step 4: Simplify right side
    123,422.25x = 5,540,689,828.26
  5. Step 5: Solve for x
    x = 5,540,689,828.26/123,422.25
  6. Step 6: Final answer
    x = 44,892.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.