Home / 122,011.60-168,257.72-95,144.31

Finding the Fourth Proportional to 122,011.60, 168,257.72 and 95,144.31

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Solution

The fourth proportional to 122,011.60, 168,257.72 and 95,144.31 is: 131,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,011.60 : 168,257.72 = 95,144.31 : x
  2. Step 2: Convert to fraction form
    122,011.60/168,257.72 = 95,144.31/x
  3. Step 3: Cross multiply
    122,011.60x = 168,257.72 × 95,144.31
  4. Step 4: Simplify right side
    122,011.60x = 16,008,764,671.57
  5. Step 5: Solve for x
    x = 16,008,764,671.57/122,011.60
  6. Step 6: Final answer
    x = 131,206.91

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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.