Home / 136,787.48-205,040.93-52,524.96

Finding the Fourth Proportional to 136,787.48, 205,040.93 and 52,524.96

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Solution

The fourth proportional to 136,787.48, 205,040.93 and 52,524.96 is: 78,733.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,787.48 : 205,040.93 = 52,524.96 : x
  2. Step 2: Convert to fraction form
    136,787.48/205,040.93 = 52,524.96/x
  3. Step 3: Cross multiply
    136,787.48x = 205,040.93 × 52,524.96
  4. Step 4: Simplify right side
    136,787.48x = 10,769,765,615.08
  5. Step 5: Solve for x
    x = 10,769,765,615.08/136,787.48
  6. Step 6: Final answer
    x = 78,733.56

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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.