Home / 172,032.15-258,052.55-83,269.11

Finding the Fourth Proportional to 172,032.15, 258,052.55 and 83,269.11

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Solution

The fourth proportional to 172,032.15, 258,052.55 and 83,269.11 is: 124,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,032.15 : 258,052.55 = 83,269.11 : x
  2. Step 2: Convert to fraction form
    172,032.15/258,052.55 = 83,269.11/x
  3. Step 3: Cross multiply
    172,032.15x = 258,052.55 × 83,269.11
  4. Step 4: Simplify right side
    172,032.15x = 21,487,806,171.73
  5. Step 5: Solve for x
    x = 21,487,806,171.73/172,032.15
  6. Step 6: Final answer
    x = 124,905.76

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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.