Home / 458,259.45-687,553.20-192,101.55

Finding the Fourth Proportional to 458,259.45, 687,553.20 and 192,101.55

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Solution

The fourth proportional to 458,259.45, 687,553.20 and 192,101.55 is: 288,221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,259.45 : 687,553.20 = 192,101.55 : x
  2. Step 2: Convert to fraction form
    458,259.45/687,553.20 = 192,101.55/x
  3. Step 3: Cross multiply
    458,259.45x = 687,553.20 × 192,101.55
  4. Step 4: Simplify right side
    458,259.45x = 132,080,035,427.46
  5. Step 5: Solve for x
    x = 132,080,035,427.46/458,259.45
  6. Step 6: Final answer
    x = 288,221.08

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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.