Home / 135,304.20-202,956.30-131,416.20

Finding the Fourth Proportional to 135,304.20, 202,956.30 and 131,416.20

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Solution

The fourth proportional to 135,304.20, 202,956.30 and 131,416.20 is: 197,124.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,304.20 : 202,956.30 = 131,416.20 : x
  2. Step 2: Convert to fraction form
    135,304.20/202,956.30 = 131,416.20/x
  3. Step 3: Cross multiply
    135,304.20x = 202,956.30 × 131,416.20
  4. Step 4: Simplify right side
    135,304.20x = 26,671,745,712.06
  5. Step 5: Solve for x
    x = 26,671,745,712.06/135,304.20
  6. Step 6: Final answer
    x = 197,124.30

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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.