Home / 129,166.56-193,760.96-35,672.32

Finding the Fourth Proportional to 129,166.56, 193,760.96 and 35,672.32

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Solution

The fourth proportional to 129,166.56, 193,760.96 and 35,672.32 is: 53,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,166.56 : 193,760.96 = 35,672.32 : x
  2. Step 2: Convert to fraction form
    129,166.56/193,760.96 = 35,672.32/x
  3. Step 3: Cross multiply
    129,166.56x = 193,760.96 × 35,672.32
  4. Step 4: Simplify right side
    129,166.56x = 6,911,902,968.63
  5. Step 5: Solve for x
    x = 6,911,902,968.63/129,166.56
  6. Step 6: Final answer
    x = 53,511.55

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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.