Home / 305,342.12-458,054.82-105,608.96

Finding the Fourth Proportional to 305,342.12, 458,054.82 and 105,608.96

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Solution

The fourth proportional to 305,342.12, 458,054.82 and 105,608.96 is: 158,427.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,342.12 : 458,054.82 = 105,608.96 : x
  2. Step 2: Convert to fraction form
    305,342.12/458,054.82 = 105,608.96/x
  3. Step 3: Cross multiply
    305,342.12x = 458,054.82 × 105,608.96
  4. Step 4: Simplify right side
    305,342.12x = 48,374,693,163.19
  5. Step 5: Solve for x
    x = 48,374,693,163.19/305,342.12
  6. Step 6: Final answer
    x = 158,427.84

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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.