Home / 104,566.49-156,439.14-80,693.67

Finding the Fourth Proportional to 104,566.49, 156,439.14 and 80,693.67

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Solution

The fourth proportional to 104,566.49, 156,439.14 and 80,693.67 is: 120,723.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,566.49 : 156,439.14 = 80,693.67 : x
  2. Step 2: Convert to fraction form
    104,566.49/156,439.14 = 80,693.67/x
  3. Step 3: Cross multiply
    104,566.49x = 156,439.14 × 80,693.67
  4. Step 4: Simplify right side
    104,566.49x = 12,623,648,338.24
  5. Step 5: Solve for x
    x = 12,623,648,338.24/104,566.49
  6. Step 6: Final answer
    x = 120,723.66

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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.