Home / 140,083.53-193,314.36-79,654.17

Finding the Fourth Proportional to 140,083.53, 193,314.36 and 79,654.17

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Solution

The fourth proportional to 140,083.53, 193,314.36 and 79,654.17 is: 109,922.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,083.53 : 193,314.36 = 79,654.17 : x
  2. Step 2: Convert to fraction form
    140,083.53/193,314.36 = 79,654.17/x
  3. Step 3: Cross multiply
    140,083.53x = 193,314.36 × 79,654.17
  4. Step 4: Simplify right side
    140,083.53x = 15,398,294,831.12
  5. Step 5: Solve for x
    x = 15,398,294,831.12/140,083.53
  6. Step 6: Final answer
    x = 109,922.24

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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.