Home / 110,042.57-152,635.67-107,125.87

Finding the Fourth Proportional to 110,042.57, 152,635.67 and 107,125.87

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Solution

The fourth proportional to 110,042.57, 152,635.67 and 107,125.87 is: 148,590.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,042.57 : 152,635.67 = 107,125.87 : x
  2. Step 2: Convert to fraction form
    110,042.57/152,635.67 = 107,125.87/x
  3. Step 3: Cross multiply
    110,042.57x = 152,635.67 × 107,125.87
  4. Step 4: Simplify right side
    110,042.57x = 16,351,228,406.15
  5. Step 5: Solve for x
    x = 16,351,228,406.15/110,042.57
  6. Step 6: Final answer
    x = 148,590.03

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.