Home / 139,626.58-192,682.56-75,962.92

Finding the Fourth Proportional to 139,626.58, 192,682.56 and 75,962.92

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Solution

The fourth proportional to 139,626.58, 192,682.56 and 75,962.92 is: 104,827.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,626.58 : 192,682.56 = 75,962.92 : x
  2. Step 2: Convert to fraction form
    139,626.58/192,682.56 = 75,962.92/x
  3. Step 3: Cross multiply
    139,626.58x = 192,682.56 × 75,962.92
  4. Step 4: Simplify right side
    139,626.58x = 14,636,729,890.68
  5. Step 5: Solve for x
    x = 14,636,729,890.68/139,626.58
  6. Step 6: Final answer
    x = 104,827.68

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1.5x scale

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.