Home / 103,166.64-154,725.33-53,221.03

Finding the Fourth Proportional to 103,166.64, 154,725.33 and 53,221.03

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Solution

The fourth proportional to 103,166.64, 154,725.33 and 53,221.03 is: 79,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,166.64 : 154,725.33 = 53,221.03 : x
  2. Step 2: Convert to fraction form
    103,166.64/154,725.33 = 53,221.03/x
  3. Step 3: Cross multiply
    103,166.64x = 154,725.33 × 53,221.03
  4. Step 4: Simplify right side
    103,166.64x = 8,234,641,042.88
  5. Step 5: Solve for x
    x = 8,234,641,042.88/103,166.64
  6. Step 6: Final answer
    x = 79,818.84

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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.