Home / 110,100.38-165,158.80-31,220.96

Finding the Fourth Proportional to 110,100.38, 165,158.80 and 31,220.96

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Solution

The fourth proportional to 110,100.38, 165,158.80 and 31,220.96 is: 46,833.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,100.38 : 165,158.80 = 31,220.96 : x
  2. Step 2: Convert to fraction form
    110,100.38/165,158.80 = 31,220.96/x
  3. Step 3: Cross multiply
    110,100.38x = 165,158.80 × 31,220.96
  4. Step 4: Simplify right side
    110,100.38x = 5,156,415,384.60
  5. Step 5: Solve for x
    x = 5,156,415,384.60/110,100.38
  6. Step 6: Final answer
    x = 46,833.77

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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.