Home / 117,233.03-161,773.92-74,787

Finding the Fourth Proportional to 117,233.03, 161,773.92 and 74,787

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Solution

The fourth proportional to 117,233.03, 161,773.92 and 74,787 is: 103,201.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,233.03 : 161,773.92 = 74,787 : x
  2. Step 2: Convert to fraction form
    117,233.03/161,773.92 = 74,787/x
  3. Step 3: Cross multiply
    117,233.03x = 161,773.92 × 74,787
  4. Step 4: Simplify right side
    117,233.03x = 12,098,586,155.04
  5. Step 5: Solve for x
    x = 12,098,586,155.04/117,233.03
  6. Step 6: Final answer
    x = 103,201.18

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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.