Home / 157,605.06-236,408.40-39,276.39

Finding the Fourth Proportional to 157,605.06, 236,408.40 and 39,276.39

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Solution

The fourth proportional to 157,605.06, 236,408.40 and 39,276.39 is: 58,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,605.06 : 236,408.40 = 39,276.39 : x
  2. Step 2: Convert to fraction form
    157,605.06/236,408.40 = 39,276.39/x
  3. Step 3: Cross multiply
    157,605.06x = 236,408.40 × 39,276.39
  4. Step 4: Simplify right side
    157,605.06x = 9,285,268,517.68
  5. Step 5: Solve for x
    x = 9,285,268,517.68/157,605.06
  6. Step 6: Final answer
    x = 58,914.79

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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.