Home / 305,628.06-458,447.76-105,954.96

Finding the Fourth Proportional to 305,628.06, 458,447.76 and 105,954.96

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Solution

The fourth proportional to 305,628.06, 458,447.76 and 105,954.96 is: 158,934.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,628.06 : 458,447.76 = 105,954.96 : x
  2. Step 2: Convert to fraction form
    305,628.06/458,447.76 = 105,954.96/x
  3. Step 3: Cross multiply
    305,628.06x = 458,447.76 × 105,954.96
  4. Step 4: Simplify right side
    305,628.06x = 48,574,814,072.89
  5. Step 5: Solve for x
    x = 48,574,814,072.89/305,628.06
  6. Step 6: Final answer
    x = 158,934.41

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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.