Home / 458,250.45-687,539.70-192,092.55

Finding the Fourth Proportional to 458,250.45, 687,539.70 and 192,092.55

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Solution

The fourth proportional to 458,250.45, 687,539.70 and 192,092.55 is: 288,207.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,250.45 : 687,539.70 = 192,092.55 : x
  2. Step 2: Convert to fraction form
    458,250.45/687,539.70 = 192,092.55/x
  3. Step 3: Cross multiply
    458,250.45x = 687,539.70 × 192,092.55
  4. Step 4: Simplify right side
    458,250.45x = 132,071,254,199.24
  5. Step 5: Solve for x
    x = 132,071,254,199.24/458,250.45
  6. Step 6: Final answer
    x = 288,207.58

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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.