Home / 305,085.35-457,623.12-94,723.49

Finding the Fourth Proportional to 305,085.35, 457,623.12 and 94,723.49

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Solution

The fourth proportional to 305,085.35, 457,623.12 and 94,723.49 is: 142,083.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,085.35 : 457,623.12 = 94,723.49 : x
  2. Step 2: Convert to fraction form
    305,085.35/457,623.12 = 94,723.49/x
  3. Step 3: Cross multiply
    305,085.35x = 457,623.12 × 94,723.49
  4. Step 4: Simplify right side
    305,085.35x = 43,347,659,031.09
  5. Step 5: Solve for x
    x = 43,347,659,031.09/305,085.35
  6. Step 6: Final answer
    x = 142,083.71

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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.