Home / 104,166.20-156,253.14-53,551.67

Finding the Fourth Proportional to 104,166.20, 156,253.14 and 53,551.67

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Solution

The fourth proportional to 104,166.20, 156,253.14 and 53,551.67 is: 80,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,166.20 : 156,253.14 = 53,551.67 : x
  2. Step 2: Convert to fraction form
    104,166.20/156,253.14 = 53,551.67/x
  3. Step 3: Cross multiply
    104,166.20x = 156,253.14 × 53,551.67
  4. Step 4: Simplify right side
    104,166.20x = 8,367,615,808.48
  5. Step 5: Solve for x
    x = 8,367,615,808.48/104,166.20
  6. Step 6: Final answer
    x = 80,329.48

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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.