Home / 353,110.56-487,302.12-191,976.66

Finding the Fourth Proportional to 353,110.56, 487,302.12 and 191,976.66

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Solution

The fourth proportional to 353,110.56, 487,302.12 and 191,976.66 is: 264,932.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,110.56 : 487,302.12 = 191,976.66 : x
  2. Step 2: Convert to fraction form
    353,110.56/487,302.12 = 191,976.66/x
  3. Step 3: Cross multiply
    353,110.56x = 487,302.12 × 191,976.66
  4. Step 4: Simplify right side
    353,110.56x = 93,550,633,408.52
  5. Step 5: Solve for x
    x = 93,550,633,408.52/353,110.56
  6. Step 6: Final answer
    x = 264,932.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.