Home / 255,626.04-383,441.50-68,637.54

Finding the Fourth Proportional to 255,626.04, 383,441.50 and 68,637.54

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Solution

The fourth proportional to 255,626.04, 383,441.50 and 68,637.54 is: 102,956.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,626.04 : 383,441.50 = 68,637.54 : x
  2. Step 2: Convert to fraction form
    255,626.04/383,441.50 = 68,637.54/x
  3. Step 3: Cross multiply
    255,626.04x = 383,441.50 × 68,637.54
  4. Step 4: Simplify right side
    255,626.04x = 26,318,481,293.91
  5. Step 5: Solve for x
    x = 26,318,481,293.91/255,626.04
  6. Step 6: Final answer
    x = 102,956.97

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1.5x scale

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.