Home / 129,166.61-193,761.03-35,672.36

Finding the Fourth Proportional to 129,166.61, 193,761.03 and 35,672.36

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Solution

The fourth proportional to 129,166.61, 193,761.03 and 35,672.36 is: 53,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,166.61 : 193,761.03 = 35,672.36 : x
  2. Step 2: Convert to fraction form
    129,166.61/193,761.03 = 35,672.36/x
  3. Step 3: Cross multiply
    129,166.61x = 193,761.03 × 35,672.36
  4. Step 4: Simplify right side
    129,166.61x = 6,911,912,247.33
  5. Step 5: Solve for x
    x = 6,911,912,247.33/129,166.61
  6. Step 6: Final answer
    x = 53,511.60

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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.