Home / 381,054.68-571,582.27-96,766.55

Finding the Fourth Proportional to 381,054.68, 571,582.27 and 96,766.55

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Solution

The fourth proportional to 381,054.68, 571,582.27 and 96,766.55 is: 145,149.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,054.68 : 571,582.27 = 96,766.55 : x
  2. Step 2: Convert to fraction form
    381,054.68/571,582.27 = 96,766.55/x
  3. Step 3: Cross multiply
    381,054.68x = 571,582.27 × 96,766.55
  4. Step 4: Simplify right side
    381,054.68x = 55,310,044,309.07
  5. Step 5: Solve for x
    x = 55,310,044,309.07/381,054.68
  6. Step 6: Final answer
    x = 145,149.89

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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.