Home / 103,760.50-155,848.18-100,355.62

Finding the Fourth Proportional to 103,760.50, 155,848.18 and 100,355.62

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Solution

The fourth proportional to 103,760.50, 155,848.18 and 100,355.62 is: 150,734.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,760.50 : 155,848.18 = 100,355.62 : x
  2. Step 2: Convert to fraction form
    103,760.50/155,848.18 = 100,355.62/x
  3. Step 3: Cross multiply
    103,760.50x = 155,848.18 × 100,355.62
  4. Step 4: Simplify right side
    103,760.50x = 15,640,239,849.07
  5. Step 5: Solve for x
    x = 15,640,239,849.07/103,760.50
  6. Step 6: Final answer
    x = 150,734.04

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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.