Home / 136,494.35-188,362.38-76,063.67

Finding the Fourth Proportional to 136,494.35, 188,362.38 and 76,063.67

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Solution

The fourth proportional to 136,494.35, 188,362.38 and 76,063.67 is: 104,967.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,494.35 : 188,362.38 = 76,063.67 : x
  2. Step 2: Convert to fraction form
    136,494.35/188,362.38 = 76,063.67/x
  3. Step 3: Cross multiply
    136,494.35x = 188,362.38 × 76,063.67
  4. Step 4: Simplify right side
    136,494.35x = 14,327,532,970.92
  5. Step 5: Solve for x
    x = 14,327,532,970.92/136,494.35
  6. Step 6: Final answer
    x = 104,967.96

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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.