Home / 458,260.45-687,554.70-192,102.55

Finding the Fourth Proportional to 458,260.45, 687,554.70 and 192,102.55

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Solution

The fourth proportional to 458,260.45, 687,554.70 and 192,102.55 is: 288,222.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,260.45 : 687,554.70 = 192,102.55 : x
  2. Step 2: Convert to fraction form
    458,260.45/687,554.70 = 192,102.55/x
  3. Step 3: Cross multiply
    458,260.45x = 687,554.70 × 192,102.55
  4. Step 4: Simplify right side
    458,260.45x = 132,081,011,134.49
  5. Step 5: Solve for x
    x = 132,081,011,134.49/458,260.45
  6. Step 6: Final answer
    x = 288,222.58

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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.