Home / 102,176.14-140,999.22-56,855.82

Finding the Fourth Proportional to 102,176.14, 140,999.22 and 56,855.82

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Solution

The fourth proportional to 102,176.14, 140,999.22 and 56,855.82 is: 78,458.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,176.14 : 140,999.22 = 56,855.82 : x
  2. Step 2: Convert to fraction form
    102,176.14/140,999.22 = 56,855.82/x
  3. Step 3: Cross multiply
    102,176.14x = 140,999.22 × 56,855.82
  4. Step 4: Simplify right side
    102,176.14x = 8,016,626,272.46
  5. Step 5: Solve for x
    x = 8,016,626,272.46/102,176.14
  6. Step 6: Final answer
    x = 78,458.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.