Home / 263,045.61-394,346.97-105,187.95

Finding the Fourth Proportional to 263,045.61, 394,346.97 and 105,187.95

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Solution

The fourth proportional to 263,045.61, 394,346.97 and 105,187.95 is: 157,693.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,045.61 : 394,346.97 = 105,187.95 : x
  2. Step 2: Convert to fraction form
    263,045.61/394,346.97 = 105,187.95/x
  3. Step 3: Cross multiply
    263,045.61x = 394,346.97 × 105,187.95
  4. Step 4: Simplify right side
    263,045.61x = 41,480,549,363.01
  5. Step 5: Solve for x
    x = 41,480,549,363.01/263,045.61
  6. Step 6: Final answer
    x = 157,693.37

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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.