Home / 132,416.40-198,624.60-131,494.80

Finding the Fourth Proportional to 132,416.40, 198,624.60 and 131,494.80

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Solution

The fourth proportional to 132,416.40, 198,624.60 and 131,494.80 is: 197,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,416.40 : 198,624.60 = 131,494.80 : x
  2. Step 2: Convert to fraction form
    132,416.40/198,624.60 = 131,494.80/x
  3. Step 3: Cross multiply
    132,416.40x = 198,624.60 × 131,494.80
  4. Step 4: Simplify right side
    132,416.40x = 26,118,102,052.08
  5. Step 5: Solve for x
    x = 26,118,102,052.08/132,416.40
  6. Step 6: Final answer
    x = 197,242.20

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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.