Home / 345,114.47-476,254.15-192,149.35

Finding the Fourth Proportional to 345,114.47, 476,254.15 and 192,149.35

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Solution

The fourth proportional to 345,114.47, 476,254.15 and 192,149.35 is: 265,163.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,114.47 : 476,254.15 = 192,149.35 : x
  2. Step 2: Convert to fraction form
    345,114.47/476,254.15 = 192,149.35/x
  3. Step 3: Cross multiply
    345,114.47x = 476,254.15 × 192,149.35
  4. Step 4: Simplify right side
    345,114.47x = 91,511,923,686.29
  5. Step 5: Solve for x
    x = 91,511,923,686.29/345,114.47
  6. Step 6: Final answer
    x = 265,163.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.