Home / 172,230.06-258,205.68-53,840.46

Finding the Fourth Proportional to 172,230.06, 258,205.68 and 53,840.46

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Solution

The fourth proportional to 172,230.06, 258,205.68 and 53,840.46 is: 80,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,230.06 : 258,205.68 = 53,840.46 : x
  2. Step 2: Convert to fraction form
    172,230.06/258,205.68 = 53,840.46/x
  3. Step 3: Cross multiply
    172,230.06x = 258,205.68 × 53,840.46
  4. Step 4: Simplify right side
    172,230.06x = 13,901,912,585.81
  5. Step 5: Solve for x
    x = 13,901,912,585.81/172,230.06
  6. Step 6: Final answer
    x = 80,717.11

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1.5x scale

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.