Home / 119,816.68-165,347.56-66,101.67

Finding the Fourth Proportional to 119,816.68, 165,347.56 and 66,101.67

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Solution

The fourth proportional to 119,816.68, 165,347.56 and 66,101.67 is: 91,220.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,816.68 : 165,347.56 = 66,101.67 : x
  2. Step 2: Convert to fraction form
    119,816.68/165,347.56 = 66,101.67/x
  3. Step 3: Cross multiply
    119,816.68x = 165,347.56 × 66,101.67
  4. Step 4: Simplify right side
    119,816.68x = 10,929,749,846.43
  5. Step 5: Solve for x
    x = 10,929,749,846.43/119,816.68
  6. Step 6: Final answer
    x = 91,220.61

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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.