Home / 112,597.38-169,089.21-99,975.62

Finding the Fourth Proportional to 112,597.38, 169,089.21 and 99,975.62

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Solution

The fourth proportional to 112,597.38, 169,089.21 and 99,975.62 is: 150,134.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,597.38 : 169,089.21 = 99,975.62 : x
  2. Step 2: Convert to fraction form
    112,597.38/169,089.21 = 99,975.62/x
  3. Step 3: Cross multiply
    112,597.38x = 169,089.21 × 99,975.62
  4. Step 4: Simplify right side
    112,597.38x = 16,904,797,759.61
  5. Step 5: Solve for x
    x = 16,904,797,759.61/112,597.38
  6. Step 6: Final answer
    x = 150,134.91

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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.