Home / 172,238.06-258,217.68-53,848.46

Finding the Fourth Proportional to 172,238.06, 258,217.68 and 53,848.46

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Solution

The fourth proportional to 172,238.06, 258,217.68 and 53,848.46 is: 80,729.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,238.06 : 258,217.68 = 53,848.46 : x
  2. Step 2: Convert to fraction form
    172,238.06/258,217.68 = 53,848.46/x
  3. Step 3: Cross multiply
    172,238.06x = 258,217.68 × 53,848.46
  4. Step 4: Simplify right side
    172,238.06x = 13,904,624,412.77
  5. Step 5: Solve for x
    x = 13,904,624,412.77/172,238.06
  6. Step 6: Final answer
    x = 80,729.10

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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.