Home / 229,781.36-344,671.48-72,021.84

Finding the Fourth Proportional to 229,781.36, 344,671.48 and 72,021.84

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Solution

The fourth proportional to 229,781.36, 344,671.48 and 72,021.84 is: 108,032.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,781.36 : 344,671.48 = 72,021.84 : x
  2. Step 2: Convert to fraction form
    229,781.36/344,671.48 = 72,021.84/x
  3. Step 3: Cross multiply
    229,781.36x = 344,671.48 × 72,021.84
  4. Step 4: Simplify right side
    229,781.36x = 24,823,874,185.12
  5. Step 5: Solve for x
    x = 24,823,874,185.12/229,781.36
  6. Step 6: Final answer
    x = 108,032.58

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Why These Related Problems?

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